SEWA Hamriyah IWP
RFP Clarifications - Batch 2
SEWA HAMRIYAH 90 MIGD INDEPENDENT WATER PLANT
The following table contains a list of clarifications being sought by the Applicants and respective responses from SEWA.
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
1
ITB Cl. 8.8.1
Commercial
Bidder is requested to submit the form sheets Sections
1 to 9 in both volumes I & III.
2
ITB Cl. 2.4.3
Legal
In the Volume I of the Technical Proposal the
Bidder shall include the Form Sheets C Sections 1
to 9
Also in Volume III of the same Technical Proposal
the Bidder shall include the Form Sheets C
Sections 1 to 24
Please confirm if there is a mistake and the Bidder
shall include in Volume III only the Form Sheets C
Sections 10 to 24 or if the Bidder shall repeat the
information already included in Volume I
The O&M Consortium Partners have the intention
to incorporate their respective companies and the
O&M Company on or before if needed, of the WPA
Effective Date
Please confirm that there is no need of
incorporating the O&M Consortium Partners
companies at Bid Submission Date
3
ITB Cl.1.9
Commercial
Due to the recent holidays in U.A.E and the lack of
time to prepare a competitive offer, we kindly
request to extend the Bid Submission deadline to
31st October 2023
In accordance with section 2.4.3, where the O&M
Contractor is a consortium (or joint venture) and the
O&M Consortium members signing the consortium
agreement intend to form a new SPV, then each such
member must be fully incorporated and in existence at
Bid Submission Date. The intermediatory entities
between the O&M Consortium member and the O&M
Contractor does not have to be incorporated by the Bid
Submission Date, however it will have to be formed by
the Closing Date.
Kindly note that the Bid Submission Deadline has been
extended to 12th October 2023.
Page 1 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
4
4.1 MFS
Technical
The MFS requires: “A robust pre-treatment system
comprising of no less than two stages. The first
stage of the pre-treatment system shall include, but
not be limited to, coagulation and flocculation
including pH adjustment (or similar Proven
Technology) and clarification (using DAF or a
similar Proven technology). The second stage of
the pre-treatment should typically be comprised of
one or a combination of the following filtration
systems: gravity DMF or MMF, pressurized DMF or
MMF or membrane ultrafiltration,”
Bidder to follow RFP requirements.
Please, confirm that the pre-treatment design does
not accept integrated DAF / DMGF as just one
single process unit.
5
4.5.6 MFS –
Outfall
Structure
Technical
Please, provide detail drawing for existing outfall
construction
Please find attached existing outfall drawing.
6
6.1 MFS
Technical
As RfT “The seawater shall be treated to produce
the potable water quality as per the table below …”.
In particular, the Boron concentration is requested
as under <0.5 ppm
i.
Boron limit in potable water shall be
considered as ≤ 2.4 ppm in place of ≤ 0.5 as
per latest WHO guidelines. Same is corrected
and reflected in RFP Addendum 1.
(i) Please, indicate / confirm Boron limit to design
with.
ii.
Bidder shall consider Boron limit as 5ppm in
raw seawater for Design envelope.
(ii) Provide Indicative Typical Seawater conditions
for Boron concentration in the Seawater.
Page 2 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
7
6.1 MFS
Technical
The “Table 6-2: Proposed Technical Limits for the
plant” points out the “Phytoplankton count ≤ 100,00
Cells/l”. Please confirm units of “cells /liter”.
Bidder to note that the “Phytoplankton count ≤ 100,000
Cells/liter.”
8
1,3 MFS
Technical
Sea water inlet parameters: Please provide Boron
ppm level in the inlet Sea water conditions for
design envelop. Currently the tender specifies it is
as "for all Sea water conditions" which is not clear.
Please refer to response above point no. 6.
9
2. Scope of
works - MFS
Technical
A break tank with sufficient buffer capacity in
between pre-treatment and RO: Please provide if
any specific tank retention time required or bidder
to consider volume as per process design.
Specific Retention time is not defined as per RFP.
However, bidder shall consider enough retention time in
break tank considering operation and capacity of
multiple SWRO feed pumps as per bidder’s process
design.
10
4.3. Design
Life &
Redundancy MFS
Technical
DAF Air Compressors -1 standby unit: Standby
DAF air compressor shall be provided common for
DAF systems and not for individual DAF units.
Please confirm that our understanding is correct.
Noted, Bidder understanding is in line with the
requirement.
Page 3 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
11
4.5.2. - MFS
Technical
Chlorination shall be carried out according to the
characteristics and the demand of the SWRO
process: Is there any minimum dosage ppm &
duration, Frequency for shock chlorination?
Bidder is requested to decide the dosage and frequency
of the chlorination to ensure the most optimum
operation of the SWRO unit and the plant.
12
4.6.1. / 4.6.2. MFS
Technical
-
The pre-treatment process must be
capable of achieving a treated water
quality upstream the cartridge filters of SDI
of ≤ 4.0 during all times and under all
seawater conditions
-
The pre-treatment process must be
capable of achieving a treated water
quality of SDI15 ≤4.0 at 95% of the time
and ≤5.0 at all (100%) times and at all
seawater conditions
-
SDI15 levels upstream the cartridge filters
shall be ≤4.0 during all times and under all
seawater conditions.
There are two different criteria specified for the SDI
limit before RO. Please let us know which one is to
be followed. As per membrane manufacturers, the
SDI <= 5 is acceptable for membranes
Bidder shall follow SDI requirements as specified in
clause 4.6.1 (i.e. the pre-treatment process must be
capable of achieving a treated water quality of SDI15
≤4.0 at 95% of the time and ≤5.0 at all (100%) times and
at all seawater conditions (Design Envelope, Technical
Limits and Correction Limits). This SDI15 requirement
shall be met upstream of cartridge filters; if no cartridge
filters are required for a well-designed UF plant,
upstream of the RO section. Higher SDI values of up to
5.0 shall be allowed at limited times, only, and only
where specifically endorsed for the Plant by the
membrane supplier. The Company shall provide such
endorsement in Part IV of the RFP. SDI15 tests shall be
performed in compliance with ASTM D 4189 standard)
Further, any discrepancy in the RFP is corrected and
the same is reflected in RFP Addendum 1..
Page 4 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
13
4.7.2 MFS
Technical
This clause is very general. Does this mean that
plant needs to be designed to produce 10% higher
capacity (99 MIGD) or it is applicable for specific
equipment like centrifugal pumps, dosing pumps
etc and not for the process equipment such as RO
skids, GMF, DAF etc.
With reference to the clause 4.7.2 of RFP Part II, all
mechanical equipment design margin shall have to be
over-designed with minimum 110% of the normal
expected flow.
14
4.7.6. MFS
Technical
Piping material for chemical lines: Piping material
for chemicals is not specified. We propose to use
CPVC piping for all chemicals except H2SO4. For
H2SO4, PVDF pipes shall be used. Please confirm
Bidder to select the piping material to ensure selecting a
piping material that has “Excellent” compatibility with the
chemicals to be handled.
15
6.2. Water
Quality
Specifications
- MFS
Technical
Potable Water Analysis: The potable water boron
shall be ≤0.5 ppm which is not required as per
WHO guidelines for potable water. Generally boron
value shall be <2.4 ppm for potable water and
kindly recheck this value & confirm the same. The
existing 20 MIGD plant has this limit as < 1ppm.
Please refer to response above point no. 6.
16
6.2. Water
Quality
Specifications
- MFS
Technical
Potable Water Analysis: The residual chlorine level
asked in the tender is more than 0.2ppm in the last
network point. The network conditions are not
known to bidder at this stage. It is better to provide
the free chlorine level required at potable water
tank outlet.
Bidder to note that the distribution pipeline length shall
be 25 - 28km approximately. Accordingly bidder may
consider 3-4 ppm of residual chorine at the water
connection point.
However, this is an indicative value, bidder to arrive at
the chlorine dosing as per their design and shall be
further optimized based on network study.
Page 5 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
17
6.2. Water
Quality
Specifications
- MFS
Technical
Potable Water Analysis: The potable water Turbity
shall be ≤0.4 NTU which is diffcult meet after the
post treatment system .Generally Turbidity value
shall be <1 NTU for potable water and kindly
recheck this value & confirm the same
Bidder to note that the Turbidity values shall be
maintained as per RFP requirements.
18
6.2. Water
Quality
Specifications
- MFS
Technical
Potable Water Analysis: Normally calcium hardness
shall be equivalent to alkalinity and so Please
recheck this value as per ionic balance & confirm
the Alkalinity value range required in product water.
Alkalinity limit in potable water shall be considered as
40-60 mg/l as CaCO3. Same is corrected and reflected
in RFP Addendum 1.
19
ANNEXURES
– 2 - MFS
Technical
Intake & Outfall details: Please provide the existing
intake chamber dimensions & Sea water tide levels
(Low level, High level, Mean level)
Please refer to the 1st round clarification response of
point no.11 for seawater intake facility dimensional
drawing.
Further, please find attached existing outfall drawing
and tide level drawing.
20
General
Technical
Approved Vendor list: Please provide approved
vendor list for mechanical, instrumentation &
electrical. Also, please specify if there is any
restriction on Country of Origin for the supply items
There is no project specific “Approved Vendor List”.
Bidder to note that make of key interface equipment at
Hamriyah Substation already provided in MFS.
However, bidder is required to consider reputed make
with proven track record in the region for IWP
equipment.
Further, Bidder to secure Make, Model & Country of
Page 6 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
Origin approval from SEWA for Interface equipment
during detailed design stage as per RFP requirements.
21
General
Technical
Spare Part Requirement.: Please confirm the
Mandatory Spare Parts requirement for all
equipment, instruments, valves etc
Bidder to follow RFP requirements.
Further, Bidder is required to consider the mandatory
and recommended spares as per their own assessment
and good utilities practices to ensure availability of
Plant.
22
4.12 - MFS
Technical
The specification indicates the requirement of
Redundant I/O Cards for all signals: It would be
more effective to provide redundant IO Cards for
only Critical Signals which will affect the plant
availability. The list of critical IO can be finalized
during Detailed Engineering Stage. Please
confirm.
Not acceptable. Bidder to follow RFP requirements.
23
4.12.2 - MFS
Technical
Communication protocol for field Instrumentation
with DCS shall be foundation field bus: Considering
the ease of maintenance and availability, please
confirm if Field Instruments (Transmitters) can be
interfaced to DCS via Conventional 4-20mA with
HART protocol instead of Foundation Fieldbus.
Please confirm.
Not acceptable. Bidder to follow RFP requirements.
Page 7 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
24
4.12.2 - MFS
Technical
Please provide the basic specification / datasheets
of the following field instruments.
Minimum requirements are specified in RFP. Bidder to
follow the same and select the reputed, standard and
proven field instruments. Bidder to submit the
datasheets for client/OE approval during execution
phase.
1) Flowmeters.
2) Transmitters (Pressure / Temperature / Level)
3) Analyzers (pH, ORP, Turbidity, SDI, Chlorine
etc.,)
25
4.12.3 - MFS
Technical
Please provide the specification / requirement of
the following systems;
1) Asset Management System
2) Historian & Backup System.
Minimum requirements are specified in RFP. Bidder to
follow the same and select the reputed, standard and
proven field instruments. Bidder to submit the
datasheets for client/OE approval during execution
phase.
3) Management Interface System to monitoring the
plant from remote location, (if required)
26
General
/Technical
Technical
General - External Interface Requirement for DCS:
Please confirm if the DCS based Control System
located in the 90 MIGD Plant will be stand-alone
system or it has to be interfaced to any off-site
location / SCADA System.
DCS interface requirements are specified in RFP.
Bidder to follow the same.
27
General
/Technical
Technical
General - System Architecture Drawing.: Please
provide the DCS System Architecture Requirement
for the 90 MIGD Desalination Plant.
System Architecture drawing should be submitted by
bidder in order to meet the RFP requirements.
28
Cl. 2.2.2 ITB Eligibility and
Qualification
Criteria for the
EPC
Contractor
Commercial
“an EPC Contractor, which is an incorporated
entity, shall have a net worth (as demonstrated
in each of the last three years’ financial
statements) appropriate for the construction of
the Plant and in any case no less than USD 150
million” - This project being an IWP Project and the
Developer (Bidder) is responsible with the Client for
the financial qualification, we request to amend the
financial qualification of EPC Contractor to have
Net Worth of USD 50 Million as below:
SEWA after further review agrees to change the net
worth criteria for EPC Contractor in Section 2.2.2 of the
ITB to USD 80 million. This is updated and reflected in
the RFP Addendum 1..
Page 8 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
"an EPC Contractor, which is an incorporated
entity, shall have a net worth (as demonstrated in
each of the last three years’ financial statements)
appropriate for the construction of the Plant and in
any case no less than USD 50 million;"
29
Cl. 2.2.2 ITB Eligibility and
Qualification
Criteria for the
EPC
Contractor
Commercial
“a consortium forming the EPC Contractor each
consortium member and any subcontractor
having more than 30% scope in EPC works
shall have a net worth (as demonstrated in each
of the last three years’ financial statements)
appropriate for the corresponding scope in EPC
works and, in any case, no less than USD 150
million; or” - This project being an IWP Project
and the Developer (Bidder) is responsible with the
Client for the financial qualification, we request to
amend the financial qualification of a consortium
forming the EPC Contractor that each consortium
member and any subcontractor having more than
60% scope in EPC works to have Net Worth of
USD 50 Million as below:
Kindly refer to the response to clarification 28 of Batch
2.
"a consortium forming the EPC Contractor each
consortium member and any subcontractor having
more than 60% scope in EPC works shall have a
net worth (as demonstrated in each of the last three
years’ financial statements) appropriate for the
corresponding scope in EPC works and, in any
case, no less than USD 50 million; or"
30
General –
Parties to the
WPA and
3.2.1 of the
RFP
Page 36 of the
RFP and
Legal
Bidder’s Clarification
It is understood through paragraph 3.2.1 of the RFP
that the WPA shall eventually be entered into by
the Company and page 12 of the WPA defines the
"Project Company" as the Successful Bidder initially
and then the Company. However, Page 1 of the
WPA lists three (3) Parties to the WPA. Please
confirm if there is an intention to have a tri-partite
SEWA expects that the WPA will be entered into by the
Successful Bidder (who in the case of a consortium,
would be each member of the consortium), and then
such WPA would be novated to the Project Company
once the Developer Holding Company and the Project
Company are incorporated.
If the Developer Holding Company is in existence at the
time required to execute the WPA in line with Section
1.9 of the RFP, then SEWA and the Developer Holding
Page 9 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
pages 1 and
12 of the WPA
31
WPA – Clause
3.2(f)
Legal
RFP – 3.2.4
WPA –
Appendix H –
Conditions
Precedent to
Closing Date
and Appendix
L – Form of
Government
Guarantee
SEWA Response
WPA where there are two Successful Bidders and
where there is a single Successful Bidder the WPA
is proposed to be between such bidder and
SEWA?. Furthermore, please confirm whether the
Developer Holding Company may enter into the
WPA?
Company may enter into the WPA, and it would then be
subsequently novated to the Project Company.
Bidder’s Clarification
Confirmed, cross reference is updated to refer to clause
20.3 and reflected in RFP Addendum 1.
It states that "to make any payments under a final
and binding arbitration award of the Tribunal
rendered in accordance with clause 20.3(c) hereof
to Project Company". Please confirm that this shall
reference the entirety of the arbitration clause
(20.3) and not just the establishment of the
Tribunal?
Page 20
32
Applicant Clarification
Legal
Bidder’s Clarification
It is understood from paragraph 2 of Appendix H of
the WPA that the Procurer Credit Support will be
provided by the Ministry of Finance. However,
Appendix L and paragraph 3.2.4 of the RFP state
that the same will be provided by Sharjah Finance
Department. Please advise as to whom will be
providing the Procurer Credit Support?
The Sharjah Finance Department will enter into a
SEWA Credit Support Agreement on behalf of the
Emirate of Sharjah. The reference to "Ministry of
Finance" in the WPA is updated and reflected in the
RFP Addendum 1.
Appendices H
and L
33
WPA – 1.1
Definitions –
“Early Water
Plant” and
“Plant”
Pages 5 and
11
Legal
Bidder’s Clarification
As it stands, the definition of Plant cannot include
Early Water Plant since it is linked to meeting the
Contracted Final Water Capacity which the Early
Water Plant does not meet. Please confirm whether
a revision to the WPA will be address this apparent
inconsistency?
No revision is required – the Early Water Plant is
defined to be part of the Plant that will provide the
Contracted Initial Water Capacity. Hence the fact that
the Plant provides the Contracted Final Water Capacity
is irrelevant to how the Early Water Plant is defined.
Page 10 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
34
WPA – 4.2 –
Plant Side and
Easement
Lands
Legal
Bidder’s Clarification
It is understood that access to the Plant Site and
Easement lands would only be granted pursuant to
the Musataha Agreement terms and such
agreement is only required to be entered into as a
condition precedent to Closing Date. Please clarify
as to how the Procurer intends to provide site
access to the Bidder and Its EPC Contractor
following Bid Submission and prior to Closing Date
(or the date on which the Musataha Agreement
becomes effective)?
SEWA shall provide access to the Plant Site and
Easement Lands prior to the Closing Date on such
terms and conditions as it determines as reasonable
based on the nature of the request from the Successful
Bidder, and the requested activities. Clause 4.2 of the
WPA is updated in the RFP Addendum 1..
Legal
Bidder’s Clarification
This provision mandates that the Project Company
acknowledge and agree that “its obligations to
achieve the Project Commercial Operation Date by
the Scheduled Project Commercial Operation Date
and to pay liquidated damages for delay in
accordance with clause 4.10 shall remain valid and
enforceable, notwithstanding any delay or
disruption caused by a Delay Event.”.
The drafting clarifies that time will not be placed at large
as a result of a Delay Event. The Company is provided
with the right to an extension to a Key Milestone Date
pursuant to clause 4.9 of the WPA, and the Company’s
relief is available pursuant to such clause.
Page 22
35
WPA –
4.9(e)(iv) Extension of
Time to Key
Milestone
Dates
Page 26
If the delay or disruption has been caused by a
Delay Event (i.e. which is attributable to the
Procurer - i.e. a Procurer Risk Event), it is not clear
why the Project Company should be required to
acknowledge that its obligation to pay liquidated
damages is valid and enforceable. Please clarify.
36
WPA –
15.4(c)(iii)–
Effect of Force
Majeure or
Government
Action or
Inaction
Legal
Bidder’s Clarification
“Group 2 Plants Units” is an undefined term used in
15.4(c)(iii).Please clarify what “Group 2 Plants
Units” refers to or otherwise confirm that this will be
addressed in a revision to the WPA?
References to "Group 2 Plants Units" at Clause
15.4(c)(iii) is deleted in the RFP Addendum 1.
Page 52
Page 11 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
37
WPA 16.1 –
Claims for
Increased
Costs or
Savings and
16.2 –
Procedure
Legal
Bidder’s Clarification
The Project Company is only entitled to claim for
increased Costs as a result of a Procurer Risk
Event or an Event of Government Action or Inaction
where such costs have been incurred. Normally,
the Project Company should be entitled to claim
prior to incurring such increased costs where they
are “reasonably expected” to arise. This could
present a cash-flow constraint to the Project
Company and Lenders are expected to have a
problem with this. Please explain deviation
compared to the market standard.
Until such Increased Costs are actually incurred, there
is no concern for Lenders.
Legal
Bidder’s Clarification
Please clarify why 17.1(b) and (d) have been
omitted from the list of exceptions under this
clause. Please confirm?
Limbs 17.1(b) and (d) shall be included in the list of
exceptions.
Legal
Bidder’s Clarification
Please clarify why the relevance of this provision
given the existence of 17.1(i) and express
requirements on the Project Company to comply
with applicable Legal Requirements?
Limb has been included for completeness – as the
Bidder has noted, this does not impose any additional
obligations on the Project Company therefore is
considered acceptable.
Finance
Bidder’s Clarification
The Procurer’s payment default period has been
set to 45 days which is longer than the regional
market standard of 30 days. This will be an issue
for Lenders. Please clarify deviation from market
standard.
For operational reasons, SEWA requires a 45 day
period and Bidders to consider this in their proposal.
Page 55
38
WPA – 17.1(i)
– Project
Company
Events of
Default
Page 58
39
WPA – 17.1(j)
– Project
Company
Events of
Default
Page 58
40
WPA -17.2(a)
– Procurer
Events of
Default
Page 58
Page 12 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
41
WPA – 17.3 –
Termination
for NonFulfilment of
Conditions
Precedent to
Closing Date
Finance
Bidder’s Clarification
Please clarify that the termination right of either
Party shall be applicable only in the circumstances
where the other Party has failed to deliver its
conditions precedents and if such termination is
enforced by the Project Company, the Procurer
shall be liable to indemnify the Project Company or
its Sponsors for actual third-party costs incurred
until the termination date.
Either Party may terminate this Agreement by giving
written notice to the other Party if any condition
precedent to the Closing Date has not been satisfied by
the Scheduled Closing Date, regardless of whose
responsibility it is to obtain such CP. In relation to
liability on such termination, Bidder should refer to
Clause 17.7(c).
Legal
Bidder’s Clarification
Please confirm why this provision refers to
representations and warranties being made by the
Successful Bidder separately from Project
Company, when the definition of “Project Company”
is defined as Successful Bidder until the novation?
The provisions reflects that the WPA shall be entered
into by the Successful Bidder and novated to the Project
Company once incorporated.
Legal
Bidder’s Clarification
Please confirm that the references to "19.3" in this
clause should instead refer to "19.6”?
Confirmed, cross reference is updated in the RFP
Addendum 1.
Finance
The RFP (4.2.3.3(b)) permits a mini-perm financing
structure and making certain refinancing
assumptions in the base original case for
determining SEWA’s IRR at financial close. A
refinancing in line with such assumptions should be
carved out from this Clause. Another generic way of
putting it is by referring to a refinancing which either
results in (i) lower margins and/or (ii) an increase
of the balance of senior debt on any future date
compared to the Schedule set out in Appendix F at
Financial Close. Please clarify that this is intended
to be rectified.
Noted. Clause 21.24 will be updated to carve out
refinancings that are assumed in the Financial Model
which should be in line with Section 4.2.3.3(b) of the
ITB.
Page 59
42
WPA – 18 –
Representatio
ns and
warranties of
Project
Company
Page 61
43
WPA – 19.7 –
No Breach
Page 65
44
WPA – 21.24
Page 73
Page 13 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
45
WPA –
Appendix F –
Consequence
s of
Termination
Finance
Bidder’s Clarification
1. In the computation of Purchase Price C ,
the sum goes only up to is a 24-year
period as opposed to 30 years in line with
the 30 year term of the WPA. Please
clarify the discrepancy
2. In the definition of Purchase Price C,
please clarify the intended level of
discount rate “r”.
3. In the definition of Purchase Price C,
please clarify that the reference to “AP” is
meant to be “AW”.
4. See above with regard to termination
caused by the Procurer’s failure to meet its
conditions precedents to Closing Date by
the Scheduled Closing Date
5. Termination Costs to be borne by the
Project Company under Clause 6.1,
referring to termination by the Procurer
following a Project Company Event of
Default, do not carve out limb (a) of the
definition of Termination Costs (in
essence, taxes arising out of the
termination/transfer). This is a material
bankability issue. Please clarify this can be
corrected.
6. Regarding the schedule of Maximum Total
Senior Debt, please clarify whether either
(i) some language would be added to
increase them to take into account the
refinancing of the Short Term Financing
Facilities or (ii) amounts shall be set
assuming a refinancing of the Short Term
Financing Facilities consistent with the
financial model base case upfront.
Part 2 (indexation) refers to a Purchase Price Index
for parts and accessories for turbines, turbine
generators and turbine generator set. This does not
seem adequate for a water projects. Please clarify.
1. Kindly note that the reference in "n" in the
computation of Purchase Price C will be updated to "
thirtieth anniversary of Project Commercial Operation
Date" in the WPA. This is reflected in the RFP
Addendum 1.
Appendix F
46
WPA –
Appendix G –
Calculation of
Payment
Finance
2. Kindly note that "r" will be the equity IRR of the
preferred bidder.
3. Kindly note that the reference to AP is updated to AW
in the WPA and the same is reflected in the RFP
Addendum 1.
4. This clarification is not clear. Bidder to kindly resubmit this clarification.
5. Kindly note that there will be no change to this clause
given the termination is triggered due to Project
Company Default and so the Project Company should
be responsible for paying the termination costs.
6. Kindly note that Bidder shall consider the amounts
assuming refinancing of the Short Term Financing
Facilities consistent with the base case financial model.
SEWA has reviewed various indices and has used the
index which can be considered the closest to a water
project. Kindly note that there will be no change to this
index.
Page 14 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
Legal
The Procurer CP’s set out in paragraph 2 are very
minimal and Lenders are expecting to see a
number of additional conditions, including the
following (i.) corporate documents of the Procurer;
(ii.) resolutions of Procurer authorizing entry into the
WPA and related agreements; (iii.) provision of any
consents that can only be issued in the name of the
Procurer; and (iv.) legal opinions from qualified and
acceptable legal counsel confirming the capacity
and due licensing and constitution of the Procurer
and the validity and enforceability of the WPA and
other project agreements (incl. the Procurer Credit
Support) against the applicable government
counter parties. Please clarify this can be provided.
SEWA is established by Royal Decree and the
Agreement will be signed by SEWA’s authorized
signatory. There are no permits to be obtained in
SEWA’s name. As such, no legal opinions are
envisaged.
Legal
Bidder’s Clarification
Please confirm that reference to "this Appendix L"
in paragraph 3 should instead refer to "this
Appendix M”?
Confirmed, cross reference is updated in the RFP
Addendum 1.
Commercial
Bidder’s Clarification
Are the following banks acceptable as the bid bond
issuing banks:
Kindly note that this list is acceptable subject to the
banks having license to carry out business in the UAE
as stated in clause 8.7.3 of the ITB.
Appendix G
47
WPA –
Appendix H –
Conditions
Precedent to
Closing Date
Appendix H
48
WPA –
Appendix M
(Environmenta
l
Requirements
and
Procedures)
Appendix M
49
8.7.3 (bid
bond)
Page 78
•
•
•
•
•
•
•
•
Abu Dhabi Commercial Bank
Abu Dhabi Islamic Bank
Dubai Islamic Bank
Emirates NBD
First Abu Dhabi Bank
Emirates Islamic Bank
Commercial Bank of Dubai
Mashreqbank
Page 15 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
•
•
•
•
•
•
•
•
•
•
•
•
50
Commercial
Form sheet D
– Bank
Acknowledge
ment Letter for
Equity Bridge
Loan
51
Bidder’s Clarification
Appendix 3 to BAL (EBL) refers to a Commitment
Letter / Letter of Support. Is there any prescribed
text for the same?
Kindly note that there is no prescribed text for the same.
Bidder is requested to submit this as per their bank's
standard format.
Commercial
Bidder’s Clarification
We understand that in case of multiple partners in
the bidding consortium, separate uncommitted EBL
term sheets and EBL Bank Acknowledgement
Letters can be provided by each partner, pro-rata to
its share in the consortium. Kindly confirm.
Kindly note that this understanding is correct.
Commercial
Bidder’s Clarification
The clause mentions a requirement of a
development security to be submitted. In case of
partners in the bidding consortium, can multiple
development securities be submitted i.e. each
partner submitting its own development security on
pro-rata basis.
Kindy note that multiple development securities can be
submitted.
Page 52
ITB Section
9.7.4
Page 95
Gulf Investment Bank
RAK Bank
UBAF
ICBC
Bank of China
MUFG
Mizuho
Natixis
Standard Chartered Bank
China Construction Bank
Saudi National Bank
HSBC
Commercial
ITB Section
4.2.2
52
SEWA Response
Page 16 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
53
WPA draft
(clause 3.1)
Commercial
Bidder’s Clarification
Are the following banks acceptable as the
Development Security issuing banks:
Kindly note that this list is acceptable subject to the
banks having license to carry out business in the UAE
as stated in clause 8.7.3 of the ITB.
Page 18
54
2.7. Electrical
and I&C
Works
Page 28
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Technical
Abu Dhabi Commercial Bank
Abu Dhabi Islamic Bank
Dubai Islamic Bank
Emirates NBD
First Abu Dhabi Bank
Emirates Islamic Bank
Commercial Bank of Dubai
Mashreq bank
Gulf Investment Bank
RAK Bank
UBAF
ICBC
Bank of China
MUFG
Mizuho
Natixis
Standard Chartered Bank
China Construction Bank
Saudi National Bank
HSBC
RFP requirement:
New telecom equipment shall be added as a new
node into the existing SEWA telecom network.
Bidder to refer interface diagram indicated in clause
3.1.7 which depicts the requirement of new telecom
panel and modification requirement at each location.
Bidder’s Clarification:
Bidder’ s understanding is that New Telecom Panel
shall be provided at LDC / backup control centre to
integrate the new telecom signals from IWP
matching to the telecom equipment installed at IWP
Plant and the space for the same to be provided in
the Recommunication Rom in LDC.
Page 17 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
55
2.7. Electrical
and I&C
Works
Technical
RFP requirement:
Modified telecom scheme shall be as per the
SEWA requirements and subject to approval
during detail design stage.
It is Bidders' responsibility to assess the quantum of
modification work to meet the RFP requirements.
page 29
56
2.7. Electrical
and I&C
Works
Bidder’s Clarification:
Bidder’ s to clarify the scope of work required for
the modification in telecom scheme and the SEWA
requirement .
Technical
Page 29
RFP requirement:
Project Company to consider all necessary
hardware/ software & modification work to
provide power data to LDC and backup control
centre .
Bidders’ referred clause and query are not matching.
However, please refer relevant MFS clauses for Cyber
security requirements.
Bidder’s Clarification:
Bidder’ s to clarify the Cyber Security requirement
of SEWA or bidder to adopt the relevant
International standards for the same. Bidder’s
understanding is that SEWA will provide the space
for the Cyber Security equipment with in the Control
Building / Telecom room.
57
2.7. Electrical
and I&C
Works
Page 29
Technical
RFP requirement:
Due to unavailability of detailed electrical drawings
of SEWA Hamriyah 132kV GIS S/S, Project
Company is requested to visit the site to
understand the requirements/ complete scope
along with feasibility of extension 2Nos. 132kV GIS
bays of existing make.
Bidder to note that all available existing key drawings
and documents already provided along with the RFP.
Bidder to refer Annexure-7 of RFP Part-II.
It is Bidder’s responsibility to do its own Due Diligence
based on site visit.
Bidder’s Clarification:
Bidder’ s understanding is that all the related
schematic / control / protection / communication /
layout drawings shall be provided by SEWA of
existing 132 kV GIS in order to perform the
extension and modification work for Primary and
Secondary equipment as required in RFP.
Page 18 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
58
3.1.5.
Electrical
Special
Facilities
(ESF) and
Load Dispatch
Centre (LDC)
Interface
Technical
RFP requirement:
It’s Project Company’s responsibility to
successfully integrate the SCADA signals of 2Nos.
132kV GIS bays & IWP 132kV GIS substation to
load dispatch centre (LDC/ MCD), backup
control centre.
Bidder shall note that the backup control center location
hasn’t been finalized yet. Bidder shall make provisions
in the communication interface for easy integration
when the back up control center is ready.
Bidder’s Clarification:
Bidder’ s to clarify that backup control centre
locations and names .
Page 37
59
4.8.2. Design
Ambient
Conditions
Technical
Page 82
60
4.8.2. Design
Ambient
Conditions
4.10.21.
Emergency
For Equipment design, bidder to refer to Table 4-4 of
section-4.8.2 of Part-II of RFP.
Bidder’s Clarification:
Bidder’ s to clarify that in the RFP section D. Local
Climate Conditions / Table 1-1 1-1: Reference Site
Conditions “ Ambient temperature for outdoor
installations (in the shade) 50 ˚C. Bidder
understanding that Electrical Equipment Located
out door without shade shall be designed for 55°C
(50° C maximum ambient temperature in the shade
+ 5°C).
Technical
Page 82
61
RFP requirement:
Maximum design temperature for electrical
equipment installed outdoors in Sunshade 55°C
RFP Requirement:
Maximum design temperature for electrical
equipment installed outdoors in Sunshade 55°C.
For Equipment design, bidder to refer to Table 4-4 of
clause-4.8.2 of Part-II of RFP.
Bidder’s Clarification:
If the SWRO Main Power Transformer shall be
installed in the compound , which bidder
understand that shall have three side walls, front
side with fence gate and there will be no roof . I this
case , transformer design temperature shall be
55°C without sunshade. Please confirm
Technical
RFP Requirement:
Bidder to follow MFS requirements.
Page 19 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Diesel
Generators
Applicant Clarification
SEWA Response
The emergency diesel generators shall be of
protection class IP 54 and shall be installed
indoors.
Page 140
Bidder’s Clarification:
The Emergency Diesel Generator Set shall be
installed outdoor in the IP 54 Protection Class
Canopy / Sound Proof Enclosure / Containerized
Solution in accordance with the IEC 60529. Please
confirm
62
4.12. Design
Requirements
–
Instrumentatio
n and Control
Technical
Page 162
RFP Requirement:
To obtain a high availability of the Plant, the central
control system also requires a high availability. To
ensure high availability, the inclusion of built-in
redundancy for both hardware and software is
required. This shall include redundant controllers,
redundant communication cards, redundant
conventional I/O cards.
Bidder to follow MFS requirements.
Bidder’s Clarification:
Bidder understanding is that For critical loops ,the
triple/dual redundant input/output field devices will
be provided. The redundant transmitters / signals
will be connected to the different cards , the
redundant I/O cards are not necessary.
63
4.12. Design
Requirements
–
Instrumentatio
n and Control
Page 162
Technical
RFP Requirement:
To obtain a high availability of the Plant, the central
control system also requires a high availability. To
ensure high availability, the inclusion of built-in
redundancy for both hardware and software is
required. This shall include redundant controllers,
redundant communication cards, redundant
conventional I/O cards.
Bidder to follow MFS requirements.
Bidder’s Clarification :
For the important signal, the measurement (include
transmitter, switch etc.) will be triple or dual
redundancy, these redundancy signals will be
Page 20 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
connected to different I/O cards of DCS/PLC. So
the redundancy I/O cards will not be provided, but
the standby I/O module slots will be provided for
DCS/PLC system. Please confirm.
64
Part I ITB
1.4.1
Company’s
Responsibility
Technical
Page 17
RFP Requirement:
Following is mentioned:
“to develop, design, finance, procure, construct,
commission, operate and maintain the seawater
intake, seawater chlorination system and outfall
facilities as part of the Plant (Intake and outfall civil
structure exists and these will be shared
facilities).”
Bidder shall do the due diligence of the portion of intake
bays assigned. Any required modification,
strengthening, rectification work shall be done by Bidder
based on the actual findings.
Bidder’s Clarification :
Please confirm that any modification,
strengthening, rectification work which are not
explicitly specified in the RFP for the existing Intake
and Outfall facilities are out of scope of the Bidder.
Please confirm.
65
Part
II_Technical
Specifications
_ANNEXURE
S_ANNEX 1
STUDIES_
Technical
Please share the CAD version of the bathymetric
drawings
Technical
RFP Requirement:
Following is stated:
“Project Company shall perform the site surveys
and studies, which shall include, but
not limited to the following;
• Data collection and verification of the interface
and delivery points,
• Survey of underground existing facilities”
Please justify the requirement of Bathymetric survey.
Building of new intake & outfall structure is not in the
scope of works.
Bathymetry
Survey
66
Part
II_Technical
Specifications
_2.2. Surveys
& Studies
Page 25
•
•
Bidder shall do its own due diligence & surveys
for finding the existing underground facilities.
Most of the interface points & delivery points
are already included in RFP.
Bidder’s Clarification :
Page 21 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
As the project site is a brown field site, please
share the underground existing utility drawings
(layout, section view etc.) which will be crossed by
Forwarding pipe, Brine Discharge pipe, Potable
water pipe, 132kV cable, water connection pipe
corridor and access road.
67
Part
II_Technical
Specifications
_2.2. Surveys
& Studies_
2.4.
Infrastructure
Works
Technical
RFP Requirement:
Following is stated.
“ Construction of the access road to the Site
and upgrade the portion of existing
access road;”
The routing / alignment of the permanent and temporary
access road shall be done by the Bidder in consultation
with SEWA during the project execution stage.
Bidder’s Clarification :
Please share the routing of the permanent and
temporary access road routing till the RO plot area,
Potable water tank, laydown area.
Please clearly show which area of the existing road
needs to be upgraded and which area of the
access road needs to be newly built.
Please also mention the existing road size and the
exact scope of work for road upgradation.
Page 26
68
Part
III_Drawings
and
Diagrams_
221201Hamriya IWP
Conceptual
Layout
Technical
Bidder’s Clarification :
Please show the IF4 in the layout drawing
Bidder shall refer to the Part-III RFP, IF4 already
indicated in the layout drawing. Please find below
screen short for your reference.
69
Part
II_Technical
Specifications
Technical
RFP Requirement:
Following is stated:
“ Soil improvement method shall consider that
there existing buildings in the proximity of the site
and impact to these buildings shall be minimum”.
The Bidder shall take the engineering decision in
consultation with any reputed Geotechnical consultant
and propose the suitable soil improvement method (if
applicable) during the project execution stage.
Page 22 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
_2.6. Civil
Works
Applicant Clarification
SEWA Response
Bidder’s Clarification :
Please confirm whether any specific soil
improvement method is not applicable due to the
close proximity of the existing building.
Page 27
70
Part
II_Technical
Specifications
_
ANNEXURES
_ ANNEX 1
STUDIES
Technical
Bidder’s Clarification :
Please share the following:
a) Geotechnical, Topographical,
Hydrological, Marine study for 20MIGD
plant
Geotechnical, Topographical, Hydrological and
Marine study for IPP
Bidder is requested to note that these reports will be
shared with the preferred bidder only.
71
Part
II_Technical
Specifications
Technical
Bidder’s Clarification :
Please share the FGL for the current 20MIGD plant,
IPP, Intake area, Outfall area.
Please find the below details of FGL existing plants and
facilities:
Part
II_Technical
Specifications
_2.2. Surveys
& Studies
Technical
Bidder’s Clarification :
Please share the Recirculation study conducted for
IWP and IPP
Please find attached “Hydrodynamic Modelling Study
(Dispersion modelling)” for your further reference.
73
Part
II_Technical
Specifications
Technical
Bidder’s Clarification :
Please share the various tide levels like Highest
astronomical Tide, Lowest astronomical Tide, Mean
sea level, Mean High tide level, Mean Low tide
levels etc. with respect to Halcrow datum
Please find below various tide levels with respect to
Halcrow datum as per attached tide level chart.
74
Part
II_Technical
Specifications
_1.3. Site
Conditions
Technical
Bidder’s Clarification :
Please show the relation between Halcrow datum
and MSL.
Halcrow Datum is the standard vertical datum adopted
by Sharjah for marking the levels with respect to MSL.
For more clarification, please approach the municipal
authorities for relation between MSL & Halcrow datum.
72
1.
2.
3.
4.
20MIGD plant - +4.7m
IPP – +5.00m
Intake Area - +4.7m
Outfall Area - +4.7m
Further, its bidder responsibility to perform all necessary
survey / studies as per RFP requirements.
Page 18
Page 23 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
75
Part
II_Technical
Specifications
_
ANNEXURES
_SD22000037
- Rev-00 Final
Interpretative
Report (1)
Technical
Bidder’s Clarification :
Please share the Thermal resistivity values of the
soil
The available test results are already shared with
Geotechnical report. For any additional information,
Bidder shall do its own study & survey.
76
Part
II_Technical
Specifications
_ Table 1-1 11: Reference
Site
Conditions
Technical
Bidder’s Clarification :
Refer to the Basic Wind speed value, we
understand the value is corresponds to ASCE 7-05
definition of Basic wind speed. Please confirm.
The basic wind speed for design of structures shall be
per the value stipulated in ADIBC.
77
Part
II_Technical
Specifications
_ 2.1. General
Technical
RFP Requirement:
Following is stated:
“ The SWRO plant shall include, but not limited to
the following equipment and systems:
• Existing seawater intake system civil structure;”
Please find attached Civil, Structural and Mechanical
drawings for the Intake system including Intake basin for
20MIGD Plant and IPP drawings.“
Page 24
78
Part
II_Technical
Specifications
_ 2.1. General
Page 25
Bidder’s Clarification
Please share all the Civil, Structural and
Mechanical drawings for the Intake system
including Intake basin for 20MIGD Plant and IPP .
Please also share all the available Civil, Structural
and Mechanical drawings for the Intake system
which will be used for IWP.
Technical
RFP Requirement:
Following is stated:
“ The SWRO plant shall include, but not limited to
the following equipment and systems:
-----• Existing outfall system;”
Please find attached existing outfall drawing.
Page 24 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
Bidder’s Clarification
Please share all the Civil, Structural and
Mechanical drawings for the Outfall system
including Intake basin for 20MIGD Plant and IPP .
Please also share all the available Civil, Structural
and Mechanical drawings for the Outfall system
which will be used for IWP.
79
Part
II_Technical
Specifications
_ 2.5.
Construction
Facilities
Technical
RFP Requirement:
Following is stated:
“ Provision of fully equipped offices of highquality standard (standard office furniture and
furnishing including telephone, internet, display
screens, etc. or any other equipment/furnishing
necessary for smooth operation of office and
intended purpose of RFP) for the Project
Company and its Contractors, for Procurer
(minimum 10 personnel) and its engineer”
Bidder’s Clarification
Please confirm that Procurer office can be clubbed
with/within Bidder’s temporary office in a separate
space.
The Procurer office can be clubbed with Bidder’s office,
but the portion allotted to the Procurer shall be solely
dedicated for them. Procurer’s portion shall have
separate entrance & exit.
Page 26
80
Part
III_Drawings
and
Diagrams_
221201Hamriya IWP
Conceptual
Layout
Technical
Bidder’s Clarification
As per the drawing and Google Earth view we
could see there are existing facilities within
Temporary facility plot area.
Please confirm Off taker will remove all the existing
underground and overground facilities and will hand
over the plot area free of any existing facilities to
the selected Bidder.
Confirmed, Off taker will clear the Laydown area before
handing over to selected Bidder.
81
Part
II_Technical
Specifications
_
Technical
Bidder’s Clarification
Please confirm that no existing overground and
underground facilities are there within RO plot area,
Potable water area .
Please refer to response to clarification 66 (first bullet
point) in Batch 2.
Page 25 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
82
Part
II_Technical
Specifications
_ 2.6.5. Civil
part of
seawater
intake and
outfall:
Technical
RFP Requirement:
Following is stated:
“ Removal temporary stop gates installed at
inlet of the streams. (stop gates screwed to the
wall to keep downstream area dry.”
Please find attached details of temporary stop gate and
fixing detail drawings.
Bidder’s Clarification
Please share the details of temporary stop gate and
fixing detail.
Page 28
83
Part
II_Technical
Specifications
_ 3.1.1.
Seawater
Interface
Technical
Part
II_Technical
Specifications
_ 3.1.1.
Seawater
Interface
Please find attached existing debris collection pit
Drawings and trench drawings for your reference
purpose.
Bidder’s Clarification
Please share the size of the pit and capacity of the
system
Page 36
84
RFP Requirement:
Following is stated:
“ Debris collection pit, debris removal system
shall be shared with existing SEWA 20 MIGD
system and shall be under IWPs scope.”
Technical
Bidder’s Clarification
Please share the structural drawings for screening
bays and openings left for fixing the Intake pumps
Please find attached structural drawings for screening
bays and openings left for fixing the Intake pumps.
Page 35
85
Site Visit
Technical
Bidder’s Clarification
During site visit, it was observed Temporary GRP
cover is kept on the common Intake Basin. Please
confirm putting a permanent slab for the basin shall
not be under Bidder’s scope.
Yes, Bidder understanding is correct, slab construction
is not within the bidder's scope.
86
Part
II_Technical
Specifications
_ 3.1.2.
Technical
RFP Requirement:
Following is stated:
“ The wastewater along with brine shall be
discharged into the existing outfall structure.
Arrangements from plant to existing outfall structure
Please find attached structural detail of the Outfall
structure and flange including the levels at the interface
point.
Page 26 of 47
SEWA Hamriyah IWP
No.
87
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
Outfall
Interface
to be made. The interface point shall be at entry of
outfall structure”
Page 36
Bidder’s Clarification
Please share the structural detail of the Outfall
structure and flange including the levels at the
interface point.
Please confirm whether there is any technical
limitation for the size of Outfall pipe at the Interface
point.
Part
II_Technical
Specifications
_ 3.1.3.
Wastewater /
sewage /
storm water
interface
SEWA Response
Technical
Bidder’s Clarification
Please confirm whether all types of storm water,
treated sewage and treated sanitary water can be
connected with brine Outfall pipe or shall be
separately connected to the Outfall structure.
Bidder shall follow as per RFP requirements for storm
water drain.
Sanitary and domestic wastes shall be collected
separately and supplied to the Sharjah Municipality
sewage system at the relevant interface point.
Technical
Bidder’s Clarification
Please share the SEWA standards which are
applicable for the project
Bidder shall refer to Annex 6 SEWA specifications.
Technical
Bidder’s Clarification
Please confirm that the Edition of the codes,
standards and regulations as on Bid submission
date shall be considered as latest.
Bidder shall ensure that all codes, standards, and
regulations are followed with latest dates.
Page 36
88
Part
II_Technical
Specifications
_4.2.
Standards &
Codes
Page 46
89
Part
II_Technical
Specifications
_4.2.
Standards &
Codes
Page 46
Page 27 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
90
Part
II_Technical
Specifications
_4.3. Design
Life &
Redundancy
Technical
Bidder’s Clarification
Please confirm the balance lifetime of the existing
Intake and Outfall structure. Please also confirm
that during WPA term no Opex shall be considered
for the retrofitting of the existing Intake and Outfall
structure by the Bidder.
Bidder shall note that the life of civil structures is
approximately 50 years.
Page 47
91
Part
II_Technical
Specifications
_4.5.1.
Seawater
Intake
Confirmed, No Opex need to be considered for the
retrofitting of the existing Intake and Outfall structure by
the Bidder during the WPA term.
However, any retrofitting/modifications required for
installation of 90MIGD equipment as per the scope of
civil work specified in the RFP part II shall be Executed
by the Bidder.
Technical
RFP Requirement:
Following is stated:
“ Civil structure is designed to install bar screens,
trash rakes, double entry type drum screens,
stoplogs at inlet and outlet of screens, and stop
logs at pump inlet.”
Bidder’s Clarification
Please share the existing detail drawings and
design for all the above structures to install bar
screens, trash rakes, double entry type drum
screens, stoplogs at inlet and outlet of screens,
and stop logs at pump inlet
Please find attached the existing detail drawings to
design and install bar screens, trash rakes, double entry
type drum screens, stoplogs at inlet and outlet of
screens, and stop logs at pump inlet.
Page 55
92
Part
III_Drawings
and
Diagrams_
221201Hamriya IWP
Conceptual
Layout
Technical
Bidder’s Clarification
Please share the structural detail drawing and
design for the culverts over Outfall channel for
crossing of Intake pipe
Please find attached structural detail drawing and
design for the culverts over Outfall channel for crossing
of Intake pipe for further arranging the 90MIGD intake
pipes.
93
Part
II_Technical
Specifications
Technical
RFP Requirement:
Following is stated:
“ For Seawater forwarding pipe configuration,
Project Company to note that, during the
Please find As built drawing for the crossing location of
the existing overflow pipe.
Page 28 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
_4.5.1.
Seawater
Intake
Applicant Clarification
SEWA Response
design of existing 20 MIGD RO Plant, the piping
corridor is planned for laying 1400 mm
diameter pipes (4 No) for future 80 MIGD (4
noX20MIGD). These pipelines have to cross
over the existing overflow line (1600 mm dia. laid
underground at CL at - 0.10). FGL is
+4.70. The clearance between the 1400 mm dia.
intake pipe & overflow pipe will be 800
mm and the clearance between FGL and TOP of
1400 mm diameter pipe will be 1500mm
(minimum required for an area with traffic). This
restriction may limit the piping sizing for
the forwarding pipe. Related drawings are attached
for this section.”
Page 56
Bidder’s Clarification
Please share the As built drawing for the crossing
location of the existing overflow pipe.
94
Part
II_Technical
Specifications
Technical
Bidder’s Clarification
Please share the Existing Intake and Outfall pipe
routing drawings, trench section drawings for the
entire routing for both 20MIGD plant and IPP.
Please find attached Existing Intake and Outfall pipe
routing drawings, trench section drawings for the entire
routing for both 20MIGD plant and IPP .
95
Part
II_Technical
Specifications
Technical
Bidder’s Clarification
Please share the 20MIGD Intake header pipe
layout drawings and section drawing between
Outfall culvert and Intake pump station.
Please find attached 20MIGD Intake header pipe layout
drawings and section drawing between Outfall culvert
and Intake pump station.
96
Part
II_Technical
Specifications
_4.5.3. Outfall
Structure
Technical
RFP Requirement:
Following is stated:
“ Project Company shall provide the outfall
discharge pipelines which shall be led from the
plant
to the head of outfall channel. The interface IF2
shall be considered at the inlet of the outfall
Chamber connecting to the existing outfall. There
is a provision of two (2) spare connection
pipes provided in the transition pit upstream of the
outfall channel. As it can be seen from
figure 4-4”
Please find attached the following drawings:
Page 57
1.
2.
Structural drawing for the existing 20MIGD plant
outfall line connection with outfall structure.
Structural drawings for the Outfall chamber and
Outfall structure for the connection of IWP pipes.
Page 29 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
Bidder’s Clarification
Please share the structural drawing and design for
the existing 20MIGD plant outfall line connection
with outfall structure.
Please also share the structural drawings and
design for the Outfall chamber and Outfall structure
for the connection of IWP pipes.
97
Part
II_Technical
Specifications
_ 4.6.6.
Potable water
storage &
Pumping
Technical
Bidder’s Clarification
Please share the type of pipeline requirement if any
by the Off taker from RO Plant till Potable water
storage tanks.
Please also confirm the required redundancy if any.
Bidder may decide on the MOC of pipe within the IWP
boundary based on information provided in the MFS.
Refer to RFP Part II, Clause 4.7.6. e. GRP pipework
that“ Uses of GRP as piping material for seawater,
brine, permeate and their vents & drains are envisaged
(unless specified otherwise). The potable water pipe
material shall be of GRE.”
Based on the above statement, Bidder shall follow the
GRP pipe for permeate pipe from RO plant to potable
water storage tanks.
Page 64
Redundancy requirements will be based on the Bidder
design to meet the plant availability as per RFP
requirements.
98
Part
II_Technical
Specifications
_ e. GRP
pipework
Technical
Page 73
99
Part
II_Technical
Specifications
Technical
RFP Requirement:
Following is stated:
“ GRP pipework :Uses of GRP as piping material
for seawater, brine, permeate and their vents &
drains are envisaged (unless specified otherwise).
The potable water pipe material shall be of GRE.”
Bidder’s Clarification
The Bidder understands this pipe is from Potable
water storage tanks till the Interface point IF5.
Please confirm.
Please also confirm the required redundancy if any.
Bidder is required to follow the RFP requirements
specified in Part II, Clause 4.7.6. e. GRP pipework.
RFP Requirement:
Following is stated:
“ At locations where HDPE to metal connections
are required, the stub flanges with duplex stainless
Bidder to follow C5-Very High painting system for the
steel works (onshore structures) as per ISO 12944.
Redundancy requirements will be based on the Bidder
design to meet the plant availability as per RFP
requirements.
Page 30 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
_ f. HDPE
Pipework
Part
II_Technical
Specifications
_ 4.11.5.
General
levelling and
grading of Site
Technical
RFP Requirement:
Following is stated:
“ The entire area of the Plant shall be brought
to grade and levelled by using
imported fill where necessary to achieve required
site datum [⚫] m above MSL.”
Bidder’s Clarification
Please share the site FGL for the IWP area.
Please refer to response to clarification 71 of Batch 2
and follow the same as 20 MIGD FGL for 90 MIGD also.
Technical
RFP Requirement:
Following is stated:
“The C5M classification will be applied to exposed
structural steel within 100 m of the shoreline”
Bidder’s Clarification
Refer to the latest ISO 12944, there is no corrosive
environment category like C5-M. Please revise the
corrosion protection requirement as per latest ISO
12944, as there is no C5M anymore.
Please allow the Bidder to consider C5 in place of
C5-M
Bidder’s request is accepted. The steel structures shall
be painted as per exposure class C5.
Technical
RFP Requirement:
Following is stated:
“ Structural steelwork (along with galleries
handrails, stairs, ladders and other
miscellaneous steelwork) shall be hot-dipped
If the thickness of coat is no less than 80 microns, then
the additional coats shall not be required.
Page 151
101
Part
II_Technical
Specifications
_ 4.11.10.
Steel
structures
Steelwork in
con
Page 156
102
Part
II_Technical
Specifications
_ 4.11.10.
SEWA Response
steel / carbon steel backing rings shall be
used or use special restrained transition fittings
subject to approval by Project Company. Carbon
steel backing rings if supplied shall be provided
with coating on the ring which is of high durability
(>15 years) and appropriate to a C5-I (very high
industry) or C5-M (very high marine) or equivalent
environment as per the latest standards.”
As per ISO12944 latest code, C5-I and C5-M
classification is no more applicable.
Bidder’s Clarification
Please confirm whether for both the cases Bidder
can consider C5 (Very high)
Page 74
100
Applicant Clarification
Page 31 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Steel
structures
Steelwork in
con
Part
II_Technical
Specifications
_ 4.11.21.
Fences and
Gates
SEWA Response
galvanized with minimum three workshop coats
(prime coat, intermediate coat and final coat) and a
touch-up/repair onsite after erection where
necessary. Minimum thickness of each layer shall
not be
less than 80µm”
Bidder’s Clarification
Please confirm that Structural steelwork (along
with galleries handrails, stairs, ladders and
other miscellaneous steelwork) which are already
hot dipped galvanized no more required to be
provided with additional minimum three workshop
coats (prime coat, intermediate coat and final coat).
Page 156
103
Applicant Clarification
Technical
Bidder’s Clarification
During site visit, it was observed that existing
boundary wall is there may be just outside of the
plot boundary at North-east part of the boundary
line. Whether that can be used as plant fence for
that portion.
Please confirm that Bidder can reuse that existing
boundary was as the permanent fence for the plant.
Please also confirm whether separate fencing will
be required Potable water reservoir area.
During the site visit, it was observed that entire
existing outfall channel is surrounded with specific
bollard except the IWP area. Whether the same
needs to be considered by IWP for their part of the
Outfall channel.
Bidder shall provide boundary/fencing for IWP plot and
PWSF area. And also note that that bidder shall leave
access corridor along outfall and embankment and
boundary wall for future maintenance. Please see the
outfall lower reach drawings attached.
Page 161/162
104
Site Visit
Technical
Bidder’s Clarification
During site visit, it was observed that existing shore
protection is there along the IWP portion of the
Outfall area. Please confirm no additional shore
protection will be required to be carried out by the
Bidder for IWP.
Bidder understanding is correct.
105
Part
II_Technical
Technical
RFP Requirement:
Following is stated.
Please refer to response to clarification 67 in Batch 2.
Page 32 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Specifications
_2.2. Surveys
& Studies_
2.4.
Infrastructure
Works
Applicant Clarification
SEWA Response
“ Construction of the access road to the Site
and upgrade the portion of existing
access road;”
Bidder’s Clarification
Please show the temporary access road for Intake
area. Please also confirm whether any permanent
road shall be considered by the Bidder for the
access of the intake area.
If yes, please share the detail requirement.
Page 26
106
Part
III_Drawings
and
Diagrams_221
201-Hamriya
IWP
Conceptual
Layout
Technical
Bidder’s Clarification
During the site visit, it was informed that for some
length/distance ,existing cable trenches are
available for laying the HV cable till IF3. Please
share the length and exact routing of the existing
cable trench which can be used by the Bidder?
As per clause- 2.2 of Part-II of RFP, bidder is required to
perform the route survey of 132kV cables.
107
Site Visit &
Part
III_Drawings
and
Diagrams_221
201-Hamriya
IWP
Conceptual
Layout
Technical
Bidder’s Clarification
During site visit the Bidders were not able to visit
the Laydown area and Site Offices, could you
please confirm whether the area encompassed with
coordinates L1-L2-L3-L4-L1 are completely flat or
some undulations area there?
Bidder requests to share topo survey drawings and
current photographs of the site.
Bidder shall refer the Annex 1 Studies, RFP, Part II,
Topographic Survey Report for the plant coordinates
and other details.
Part II MFS3.1.4
Potable water
network
interface
Technical
108
Page 37
It was expected that the bidder would utilize the site visit
to see the allocated land for Plant area/ PWSF area
/laydown area.
Bidder to note that the laydown area is mostly flat.
RFP Requirement
Its mentioned , Potable water tanks and pumping
station shall be made near the existing water
transmission network. The exact point of
connection shall be ascertained at project
execution stage. The pressure required at the
Water Delivery Point will be confirmed after the
completion of ongoing water network study.
Please refer to the layout drawing for potable water
interface as IF-4 marked. Pressure required at the
potable water delivery point will be varying from 7 to 15
bar. Further, it is recommended that the potable water
pumps shall be selected with VFD driven pumps to
meet the different operating pressure and flow
requirements.
Page 33 of 47
SEWA Hamriyah IWP
No.
109
Section /
Clause No
Part II - 4.3.
Design Life &
Redundancy
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
Surge protection system if recommended by the
network study and surge analysis, will be under
Project Company scope."
Bidder’s Clarification
Please provide the Interface point location details
and the Pressure at the interface point.
RFP Requirement
Redundancy requirement : "Sufficient stand by
units shall be provided, where indicated in Table 53" –
Bidder’s Clarification
Table 5-3 not available to be updated. Kindly
provide.
Bidder’s Clarification
There is a provision of two (2) spare connection
pipes provided in the transition pit upstream of the
outfall channel.
Please indicate the pipe ND.
As per clause 3.1.4 of RFP part II surge protection
system shall be in bidder scope.
Technical
Bidder’s Clarification
The pressure required at the Procurer potable
Water Delivery Point will be confirmed after water
network study.
The required water pressure value is compulsory
for the specific power consumption calculation.
Kindly provide the same.
Please refer to the layout drawing for potable water
interface as IF-5 marked. Pressure required at the
potable water delivery point will be varying from 7 bar to
15 bar. Further, it is recommended that the potable
water pumps shall be selected with VFD driven pumps
to meet the different operating pressure and flow
requirements.
Technical
RFP Requirement
All pressure vessels shall be designed and
constructed in accordance with ASME Section VIII
Division 1, Rules for Construction of Pressure
Vessels.
Bidder’s Clarification
Based on experience, pressure vessels can be
designed and constructed in accordance with
ASME Section VIII Division 2 as well. Please
confirm this is acceptable.
Bidder is required to follow the RFP requirements.
Technical
Page 48
110
Part II 4.5.3
Outfall
structure
Technical
Page 57
111
Part II 4.6.6
Potable water
storage &
pumping
Page 64
112
Part II 4.7.5
Static
equipment
Page 70
Bidder shall note that this is typo error in the RFP, kindly
read this as “ Sufficient stand by units shall be provided,
where indicated in Table 4-1. The same is corrected
and reflected in the RFP Addendum 1.
Please refer to attached outfall structure drawings.
Page 34 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
113
Part II 4.7.6
Piping
Technical
Bidder’s Clarification The potable water pipe
material shall be of GRE. - Please confirm this
requirement starts at the plot boundary.
Bidder shall ensure that pipe from the IWP to the
interface point shall be GRE. Proper matching
flanges/material is provided at the interface point.
Technical
RFP Requirement
Low-pressure drains shall have steam traps of an
approved design complete with isolating valves and
by-pass valves, as applicable.
Bidder’s Clarification
Contractor understands this requirement is
applicable for steam pipes only and not for liquids.
Please confirm
RFP Requirement:
“The C5M classification will be applied to exposed
structural steel within 100 m of the shoreline”
Bidder’s Clarification:
Refer to the latest ISO 12944, there is no corrosive
environment category like C5-M. Bidder requests to
revise the corrosion protection requirement as per
latest ISO 12944, as there is no C5M anymore "
Kindly ignore this requirement as this is not applicable
for IWP.
Page 76
114
Part II 4.7.6
Piping
Page 76
115
Part II 4.11.10
Steel
structures
Page 156
Technical
Please refer to response to clarification 101 in Batch 2.
RFP Requirement:
4.11.10. STEEL STRUCTURES
Structural steel work (along with galleries handrails,
stairs, ladders, and other miscellaneous steelwork)
shall
be hot-dipped galvanized with minimum three
workshop coats (prime coat, intermediate coat, and
final coat) and
a touch-up/repair onsite after erection where
necessary. Minimum thickness of each layer shall
not be less than
80µm.Structural steelwork (along with galleries,
handrails, stairs, ladders, and other miscellaneous
steelwork) shall
be coated with protective paintings as per the
provisions of ISO12944-5: Protective Paint Systems
without
galvanization.
Bidder’s Clarification :
Page 35 of 47
SEWA Hamriyah IWP
No.
116
Section /
Clause No
Part II 4.8.1
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Technical
Page 81
117
Part II
4.10.2.10 GIS
to Transformer
connection (if
specified)
Technical
Page 123
118
Part II 4.10.6
Power
&distribution
Transformers
Part II 4.10.9
LV
Switchgears
Page 131
"Please clarify whether these requirements conflict.
As only with three workshop coats without
galvanization can
fulfil the corresponding corrosion category and
durability. Hence bidder requests to remove the
requirement of "Hot-Dipped Galvanized".
RFP Requirement:
"Power distribution shall be designed according to
proper redundant configuration to limit the effects of
single failures of plant equipment".
Bidder’s Clarification
Our understanding is that no failure of a single
electrical equipment shall lead to the loss of 100%
of the production, but it is allowed to loose for
example maximum 50%. If this target of 50%
cannot be reached, redundancy must be
considered. Please confirm our understanding is
correct.
Bidder’s Clarification
Its mentioned "Transformer shall be connected to
the GIS outgoing bus duct using totally enclosed
adapters" -> If specified it means that cables
connection can also be considered for the
connection between GIS to Transformer. Please
confirm.
SEWA Response
Bidder understanding is not aligned.
Bidder to ensure that single failure of any equipment
should not impact the 100% availability of the plant.
Bidder to follow the RFP requirement.
Bidder understanding is correct.
Technical
Bidder’s Clarification
Its mentioned “Power & distribution transformer will
be oil filled and located outdoors" Please confirm
that dry transformers (as per Chapter 4.10.7) can
be used as distribution transformers.
Bidder understanding is not aligned. Bidder to follow
clause -4.10.6 of Part-II of RFP.
Technical
Bidder’s Clarification
Its mentioned "Emergency switchboards will have
two section. One section being fed by an
emergency DG set through transformers" Please
confirm that the project company can provide
medium voltage emergency DG connected to the
MV Switchgears.
Bidder to follow the RFP requirement.
Page 129
119
Applicant Clarification
Page 36 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
120
Part II
4.10.15
Motors
Technical
Bidder’s Clarification
Its mentioned " Motors should have anticondensation heaters" Only motors over 50KW will
be equipped with space heater. Please confirm.
Motor rated above 30kW should be provided with space
heater.
Technical
Bidder’s Clarification
The RFP does not set limits for selecting motor
supply voltages. Project company propose the
following :
400V DOL: Motor Rating ≤ 200KW
11KV DOL: Motor Rating > 200KW
400V VFD: Motor Rating ≤ 300 kW
690V VFD: Motor Rating ≤ 500kW
11KV VFD: Motor Rating ≥500kW
Please confirm.
Bidder’s Clarification
Its mentioned "All VSDs shall be located indoor in
the Electrical buildings" please confirm that Local
VFD (<30kW) can be installed outdoor near or on
the process equipment.
Bidders proposal is noted. However, bidder to follow
local regulations while selecting the voltage level.
Technical
Bidder’s Clarification
Its mentioned "...for the complete HVAC load...."
Please confirm that only essential HVAC load will
be considered from Emergency diesel generator.
Bidder to follow the RFP requirement.
Technical
Bidder’s Clarification
Its mentioned "The emergency diesel generators
shall be of protection class IP 54 and shall be
installed indoors"
Please confirm that Gensets installed in
prefabricated containers type are acceptable.
We consider that they are Indoor because all
maintenance interventions take place protected in
these shelters.
This is different from Outdoor Gensets (only
enclosed) which must be opened to intervene on it.
Please confirm our understanding.
Bidder to follow the RFP requirement.
Page 136
121
Part II 4.10.15
Motors
Page 136
122
Part II 4.10.16
Variable
frequency
drives
Technical
Page 137
123
Part II 4.10.21
Emergency
Diesel
Generator
Bidder to follow the RFP requirement.
Page 140
124
Part II 4.10.21
Emergency
Diesel
Generator
Page 140
Page 37 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
125
Part II 4.10.22
Cables and
Accessories
Technical
Bidder’s Clarification
" Cu conductor " Please confirm that for MV Power
Cables, aluminium conductors can be considered.
Bidder to follow the RFP requirement.
Technical
Bidder’s Clarification
Please confirm that un-armoured cables are
acceptable for outdoor application if laid on conduit,
trench, duct bank, tray, ladder (not direct buried).
Bidder to follow the RFP requirement.
Technical
Bidder’s Clarification
Its mentioned "The last point at the network shall
not less than 0.2 [mg/l residual chlorine" Please
confirm that the last point of the network is M2 as
defined in §4.12.8 Water Metering section.
Practically, residual will be checked with Item 6
"Primary water quality meter" as described in
Figure 4-6 Connection & metering details.
Bidder to note that the distribution pipeline length shall
be 25 - 28km Approximately, accordingly bidder may
consider 3-4 ppm of residual chorine at the water
connection point.
Bidder’s Clarification
Its mentioned "Residual chlorine [...] shall not less
than 0.2 [mg/l]". Please confirm that "Residual
chlorine" shall be replaced by "Chlorine dioxide
(ClO2)" (to be consistent with the other MFS
requirements e.g. 4.6.5 Post treatment which
specifies "chlorine dioxide (ClO2) shall be
provided").
Bidder shall note that “Residual chlorine” shall be
replaced with “Chlorine dioxide (ClO2)”. However,
Bidder to provide the formula for conversion of
equivalent dosage of ClO2 against residual chorine.
RFP Requirement
"A Seawater quality monitoring concept shall be
provided by the Project Company in the Bid. This
concept shall include listing and description of the
proposed online monitoring equipment for seawater
feed and pre-treated seawater including but not
limited to seawater temperature, hydrocarbons and
oil, turbidity, algae, residual chlorine, boron, Silt
Bidder’s Clarification
Bidder to follow the RFP requirement.
Page 140
126
4.10.22
Cables and
Accessories
Page 140
127
Part II 6.2
Water Quality
Specifications
Page 187
128
Part II 6.2
Water Quality
Specifications
Technical
Page 187
129
Part II 4.4
Operational
Requirement
of the Plant b)
Page 52
Technical
However, this is indicative value, bidder to arrive the
chlorine dosing as per their design and shall be further
optimized based on network study.
Further bidder to note that the ClO2 dosing system shall
design in such way that the reduction potential of the
potable water at the end of network should be
equivalent to above 0.2mg/l of residual chorine.
Page 38 of 47
SEWA Hamriyah IWP
No.
130
Section /
Clause No
Part II MFS &
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Technical
ANNEX 4
SEWA
Metering
Specification
Page 164
131
RFP
Clarifications Batch 1 No 7
Technical
Applicant Clarification
SEWA Response
Density Index (SDI after pre-treatment, semi
continuously)."
Please confirm that Boron and oil analysis can be
monitored through the onsite laboratory analysis.
According to our experience the algae analysis on
seawater intake chamber is more accurate and
efficient with an algae torch than with an online
analyser. please confirm that algae torch supplied
in standard with the laboratory equipment, analyser
and accessories.
RFP Requirement
"Instruments used for metering purposes of power
and water shall have an accuracy in line with
ANNEX 4_SEWA Metering Specification and
applicable local standards."
"Main Water Meters and Check Water Meters shall
include a pulsed output providing instantaneous
and integrated flow readings, interface over serial
communication protocols such as
MODBUS/PROFIUS, or similar acceptable to
SEWA, and shall be equipped with battery back-up
power supplies for 24 hours operation."
Battery back-up is applicable for field instrumentation
flow meters.
Bidder’s Clarification Please confirm that battery
back-up power supplied for 24 hours operation is
applicable only for water metering system such as
data logger or flow computer but not to metering
flow meter field instrumentation.
The response given does not answer the question
whether the following procedures have already
been carried out or started:
• Start of the Environmental Process (EPA)
• Terms of Reference submission
Please clarify the above.
Bidder to note that SEWA has not obtained any
Environmental process (EPA) approvals for 90MIGD
plant. The existing NOC from EPAA was based on the
ESIA study done for IPP, 20 MIGD and future 60 MIGD
plants, copy of NOC attached for your reference.
As per Clause 2.2 of RFP Part II Bidders have to
perform all necessary surveys, studies and secure
approval from Environment and Protected Areas
Authority (EPAA), Sharjah considering 90MIGD IWP.
Page 39 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
132
RFP
Clarifications Batch 1 No 9
Technical
It is clear that the surge protection system will be
included in the bidder scope. What we need to
know and are asking for is the detail of what to
include, as this should follow the recommendations
of the network study and surge analysis that is not
part of our scope. Please indicate the surge
protection equipment to include as part of the
bidder scope.
Bidder is requested to note that the network study is not
available. However, bidder can refer to the following
information to arrive surge protection system
requirements.
Since the brine discharge is going to take place in
the existing seawater canal and will be mixed with
brine produced by the existing SWRO project and
cooling water from the IPP, we understand that the
requirement to comply with the SEWA discharge
guidelines provided in Annex 8 of the RFP should
be waived because:
• We do not have any control over the discharge of
the other two exiting installations with which it will
be mixed..
• We do not have any possibility to change the
discharge configuration.
In our opinion the requirement indicated in Annex 8
of the RFP of not to exceed 5% increase in salinity
above ambient conditions at the point of discharge,
and 2% salinity increase above ambient conditions
after the mixing zone (500m radius from outfall) is a
requirement to be met when an independent
discharge is made and a discharge with marine
pipe and diffusers is used, and not with a discharge
in a canal mixed with discharges from other
installations.
For calculation purposes of the guaranteed specific
power consumption within the design envelop
below 15.4567kWh/TIG, shall we consider 7bar or
Bidder is supposed to perform dispersion study
considering guaranteed parameters of discharge outfall
of IPP & 20MIGD and accordingly decide discharge
outfall parameters for 90MIGD plant, to ensure the TDS
requirement as per Annex 8 after mixing with seawater
at point of discharge to sea. Through the hydrodynamic
modelling, the cumulative impact should be
demonstrated.
133
134
RFP
Clarifications Batch 1 No 14,
16, 36
RFP
Clarifications -
Technical
Technical
•
•
•
•
•
Length of the pipeline: Approximately 24 Km
Diameter of pipeline: 1400 mm
MOC of pipeline: GRE/Ductile iron
Piping layout routing: Under ground
Interface details at the end of the network
o With tank at end of network interface,

Volume of tank: 20 MIG*3
tanks total 60 MIG

Height of tank: 20 M
However, the requirement of Annex 8 of the RFP cannot
be waived as it is a regulatory requirement.
The bidder can propose the locations for monitoring the
outfall discharge and for the discharge directly from the
90 MIGD unit so that any exceedances at the outfall can
be traced back to the performance of the 90MIGD unit.
Bidder to note the following.
Page 40 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Batch 1 No 8,
15
Applicant Clarification
15 bar as Potable Water Discharge pressure?
In our opinion a correction factor should be
considered depending on the required delivery
pressure for the electricity component.
SEWA Response
1.
2.
3.
135
136
6.2 MFS
1) Section 1.1
(Definitions) of
the RFP- Part
V: WPA
2) Section 1.9
(Project
Timetable) of
the RFP Part I:
ITB
Technical
Technical
As indicated in RFP Clarifications - Batch 1 No 38,
Boron requirement in potable water will be modified
to <2.4ppm. Please also kindly consider increasing
TDS requirement to <600mg/l, as per latest WHO
guidelines, to allow for remineralization of the RO
permeate.
As per section 1.1 of the Part V-WPA, Initial
Commercial Operation Date (ICOD) date can be
preponed for three months prior to the Scheduled
ICOD. Below is an extract from the WPA:
“Initial Commercial Operation Date or ICOD means
the Day following the date on which the Early Water
Plant has successfully completed its Reliability Test
Run in accordance with the test procedures set
forth in Appendix I, and is capable of operating in
accordance with this Agreement as certified by the
Procurer in accordance with Appendix I, provided
that date shall not be three months earlier than the
Scheduled Initial Commercial Operation Date
without the Procurer's written consent.”
Based on above, Bidder understands that
Scheduled Water Connection Date can be up-to
three months earlier than the Date indicated in
section 1.9 of the RFP Part I-ITB.
SEWA is kindly requested to confirm.
The potable water transfer pump shall be
selected such that they are capable of
producing pressure ranging between 7-15 Bar.
Bidder to provide the guaranteed Specific
power consumption value considering a
potable water transfer pump pressure of 10 Bar
at Water Delivery Point, further bidder to
provide a SPC correction curve for the cases
when potable water transfer pumps are
operated at 10-15 Bar.
And also note that the Form sheet for SPC
correction factor is included in the Addendum 1 to RFP, Part-IV, Form sheet C24.
- Noted for Boron parameter.
- Bidder understanding is incorrect. Bidder shall follow
the RFP requirement for TDS requirement.
The RFP shall be updated to provide the date that the
Scheduled Water Connection Date cannot be earlier
than 01 May 2026 considering it an obligation on
SEWA. The Bidder is free to suggest a Scheduled
Water Connection Date provided it respects such
constraint.
Page 41 of 47
SEWA Hamriyah IWP
RFP Clarifications - Batch 2
No.
Section /
Clause No
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
137
RFP Part II:
Minimum
Function
Specification,
Table 6-4:
Potable Water
Analysis
Technical
Bidder to note that the distribution pipeline length shall
be 25 - 28km approximately, accordingly bidder may
consider 3-4 ppm of residual chorine at the water
connection point.
138
1) RFP Part
III: Drawings
and Diagrams
- Hamriyah
IWP
Conceptual
Layout
2) RFP Part II:
Minimum
Function
Specification ANNEX 1
STUDIES Topographic
Survey
Technical
As per referred RFP table, residual chlorine level
shall not be less than 0.2 mg/l at the last point at
the network.
Project Company has no control over the network
beyond the Water Delivery Point, therefore cannot
guarantee the level of the residual chlorine at the
last point of the network.
SEWA is kindly requested to revisit the compliance
point for the residual chlorine, it shall be measured
at the interface point with Offtaker (i.e. Water
Delivery Point).
As per referred Plant Conceptual Layout, the
Potable Water Tanks & Pumping Station (PWSF)
Area and Laydown & Site Offices Area include
existing building/facilities (cabins, tanks, concrete
structures, fence, etc.) within the plot boundaries.
Bidder understands that demolition of existing
facilities within the plots shall be carried out by
SEWA prior to commencement of Project
execution.
SEWA is kindly requested to confirm.
139
Section 4.5.1
of the RFP
Part II:
Minimum
Function
Specification Seawater
IntakeDrawings of
existing
Technical
As per clause 4.5.1 of the RFP Part II, new
seawater forwarding pipes of the 90 MIGD IWP
have to cross over the existing overflow line
1,600mm DIA.
Bidder requests to provide as-built drawings of the
said existing pipeline (alignment sheets, layouts,
cross section drawing, etc.) in order to assess if any
restriction may limit the piping sizing for the new
IWP’s forwarding pipes.
Please find attached existing drawing seawater
forwarding pipes cross over of 1600mm Dia pipe for
your reference.
However, this is indicative value, bidder to arrive the
chlorine dosing as per their design and shall be further
optimized based on network study.
Bidder understanding is correct.
Page 42 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
SEWA is kindly requested to provide additional asbuilt drawings for existing intake facility, such as
sectional drawings (GA) as well as the structural
drawings (reinforcement).
Please find attached Civil, Structural and Mechanical
drawings for the Intake system including Intake basin for
20MIGD Plant and IPP drawings.
overflow line
1,600mm DIA
140
1) RFP
Clarifications
Batch 1, Item
11 - As-Built
Drawings for
existing Intake
Facility
2) Section
4.5.1 of the
RFP Part II:
Minimum
Function
Specification
Technical
141
Section 2.6.5
of the RFP
Part II:
Minimum
Function
Specification
Technical
142
1) RFP
Clarifications
Batch 1, Item
15 - Potable
Water
Interface IF-4
2) RFP Part
III: Drawings
and Diagrams
- Hamriyah
IWP
Conceptual
Layout
3) Section
3.1.8 of the
Technical
SEWA is kindly requested to provide as-built
drawings for existing outfall chamber structure,
such as:
-plans,
-sectional drawings, and
-structural drawings (reinforcement).
As per Hamriyah IWP Conceptual Layout (Part III:
Drawings and Diagrams), the Potable Water
Interface point is marked as IF-5. Further, as per
section 3.1.8 of the RFP Part II: MFS, IF-4 is a
Road Interface point.
However, as per SEWA’s response to Bidder’s
query (item 15 of the RFP Clarifications Batch 1),
IF-4 refers to Potable Water Interface point. Bidder
understands that it is a typo error and IF-4 shall be
referred to Road Interface point as indicated in
above para.
SEWA is kindly requested to confirm.
Please find attached available drawing and design for
the culverts over Outfall channel for crossing of Intake
pipe for further arranging the 90MIGD intake pipes.
Yes Bidder understanding is in line with the RFP
requirements.
Further Bidder to refer RFP Part III for interface points.
Page 43 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Applicant Clarification
SEWA Response
RFP Part II:
Minimum
Function
Specification
143
1) RFP
Clarifications
Batch 1, Item
40 – Historical
data of the raw
seawater
quality
2) RFP Part II:
Minimum
Function
Specification,
Table 5-1:
Permissible
emission limits
for aqueous
discharges
into marine
environment
as per UAE
water quality
discharge
standards and
SEWA
standards for
water
discharge to
sea - Arsenic
Limit
Technical
Bidder would like to request SEWA to share
available data of arsenic values detected in the raw
seawater samples taken by the existing 20MIGD
SWRO Plant.
Bidder shall note that all available data is already
provided along with the RFP and SEWA’s response to
Bidder’s query (RFP Clarifications Batch 1).
Further, it’s the Bidder's responsibility to perform
necessary survey and studies for required
information/details.
144
Section 4.5.3
of the RFP
Part II:
Minimum
Legal
Bidder’s scope related to Operation and
Maintenance (O&M) of the existing outfall system is
limited to O&M of the outfall chambers designated
to the IWP. Bidder has no scope in the O&M of the
Bidder understanding is correct.
Page 44 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Function
Specification
145
Section 4.5.1
of the RFP
Part II:
Minimum
Function
Specification
Legal
Legal
147
Cl. 9.7.4 ITB
Cl 3.1 (a)
WPA
Commercial
148
Cl 5.5 ITB
SEWA Response
existing outfall channel.
SEWA is kindly requested to confirm.
146
Cl. 1.5.2 ITB
Applicant Clarification
Commercial
Bidder’s scope related to Operation and
Maintenance (O&M) of the existing seawater intake
system is limited to below:
a) O&M of the existing intake bays designated to
the IWP
b) O&M of the of the common with existing 20MIGD
SWRO Plant debris pit including debris/trash
collection and disposal
c) Bidder has no scope in the O&M of the existing
intake channel.
SEWA is kindly requested to confirm.
Request SEWA to clarify if a separate Electricity
Supply Agreement is envisaged for the Project.
If yes, kindly suggest if a draft of the agreement
shall be provided from SEWA’s side and the
envisaged timeline for provision of the same.
Bidder understanding is correct.
We note that ITB (clause 9.7.4) requires
maintenance of Development Security by Project
Company until 6 months from Project Commercial
Operations Date.
However, we note that WPA (clause 3.1) requires
maintenance of Development Security by Project
Company until 365 days after the Scheduled
Project Commercial Operation Date.
We request SEWA to kindly clarify the duration for
which the Development Security is required to be
put in place by the Preferred Bidder.
Equity IRR calculation provides that the rate shall
not be modified to reflect a reinvestment rate.
We note that at times due to the nature of varied
cashflow profiles, Microsoft Excel may not provide
any output IRR (via XIRR function), hence resulting
in an error. Consequently, a reinvestment rate is
required to be utilized to determine Equity IRR in
The duration of Development Security would be 365
days from the COD date. The ITB is updated to reflect
the same in Addendum 1.
Clause 5.1 to 5.4 of the WPA sets out the principles on
which SEWA will provide electricity to the Project
Company. Hence, a separate Electricity Supply
Agreement is not envisaged for the Project. Further the
tariff appendix sets out how such payments will be
made, and the technical specifications set out interface
details.
Bidder is requested to comply with the RFP
requirements while computing the Equity IRR
Page 45 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
Commercial
such scenarios.
Given that XIRR function of excel assumes that
cashflows/dividends/ distribution are reinvested at
the same rate as the IRR, request SEWA to kindly
clarify if a reinvestment rate of 10% can be used by
the Bidder for calculating the IRR in a Scenario
where the Excel XIRR function cannot provide a
resultant solution for the IRR output.
With reference to the explanation on Milestone
Payments, we note that the Contract Price is
mentioned to be inclusive of any and all “taxes,
charges, royalties, and fees levied on the EPC
Contractor”.
Commercial
We further note that “taxes” is not a defined term,
request SEWA to confirm that Contract Price is
exclusive of VAT.
We note that Bidders are required to submit an
Equity Commitment Letter confirming the
commitment of the Shareholders to infuse the
Share capital and inject Shareholder loans (as
relevant) to fund the Total Project Cost.
149
Cl. 3.2.5 ITB
150
Cl 4.2.2 ITB
151
Cl 4.2.2 ITB
Commercial
Form Sheet D
Section 2
Applicant Clarification
Commercial
We request SEWA to kindly clarify if such a
commitment letter will still be required to be
provided by the Bidder, if the Bidder chooses to
fund its Equity through EBL (Equity Bridge Loan).
We understand that Bidders can provide Fully
Committed Financing Termsheets for EBL prior to
the Effective Date, with an “in-principle” support
from the EBL lenders at the time of bid submission.
However, we note that para 4 of the Commercial
Form Sheet D Section 2 (Bank Acknowledgment
Letter for Equity Bridge Loan) – (which is required
to be submitted at the time of Bid submission)
refers to requirement of a firm “commitment” and
also a requirement of a Commitment letter at the
bid submission stage itself (and does not have any
reference of requiring “in-principle” support/
preliminary approvals).
SEWA Response
Confirmed. Contract Price is exclusive of VAT.
If Bidder secures committed EBL, Bidder is not required
to submit the Equity Commitment Letter.
But if Bidder obtains any uncommitted EBL term sheets,
these need to be accompanied by an Equity
Commitment Letter confirming the commitment of the
Shareholder to repay the Equity Bridge Loan on the
Equity Injection Date.
For a committed Bank Acknowledgement Letter,
Paragraphs 4 and 5 are relevant (Paragraphs 6 and 7
can be deleted).
For in-principle approval from bank for the EBL,
paragraphs 6 and 7 are relevant (Paragraphs 4 and 5
can be deleted).
Page 46 of 47
SEWA Hamriyah IWP
No.
Section /
Clause No
RFP Clarifications - Batch 2
Nature of
Clarification (legal /
technical / commercial)
152
Glossary of
Terms ITB
Legal
153
Cl. 1.9 ITB
Legal
154
Cl. 1.1 WPA
Cl 4.2.2 ITB
Commercial
Applicant Clarification
Request SEWA to kindly clarify in detail the exact
requirement for EBL from submission perspective
((a) reconfirm that Commitment Letter for EBL is
required to be provided only prior to the Effective
Date ; (b) whether EBL Bank Acknowledgement
Letter can be amended to reflect “in-principle”
approval for the Bid Submission with an intention to
provide the Commitment Letter at the Effective
Date and (c) whether an Equity Commitment Letter
shall be required to be provided in case of an “inprinciple” support/ preliminary approvals for EBL).
Reference to the definition of Scheduled
Provisional Acceptance Date, it is mentioned in the
ITB document that the definition is provided as part
of WPA. However, we note that the definition of
“Scheduled Provisional Acceptance Date” is not
captured in WPA.
Request SEWA to please provide the same as part
of WPA.
Reference to the item #10 which is given as
Scheduled Provisional Acceptance Date in this
clause, we presume that this date should be
referring to “Scheduled ESF Provisional
Acceptance Date” instead, as provided in WPA
(clause 1.1 definitions).
Request SEWA to suggest/ confirm on the above.
The definition of “Equity Injection Date” (in WPA)
suggests Equity shall be injected not later than the
Project Commercial Operation Date.
However, ITB (clause 4.2.2) mentions EBL
repayment date (through equity injection) should
occur on or prior to the 5th anniversary of
Scheduled PCOD.
Request SEWA to kindly confirm if the WPA shall
be updated to align with the requirements
mentioned in the ITB.
SEWA Response
Agreed - references to this term are reflected in
Addendum 1 to refer to “Scheduled ESF Provisional
Acceptance Date”.
Agreed - references to this term are reflected in
Addendum 1 to refer to “Scheduled ESF Provisional
Acceptance Date”.
WPA is updated in Addendum-1 to reflect the Equity
Injection Date cannot be later than 5th anniversary of
Scheduled PCOD.
Page 47 of 47