MUNICIPAL CORPORATION OF GREATER MUMBAI.
Office of the
Ex. Eng.(Storm Water Drain)
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To,
Applicant
Sub: External Choose an item.remarks for plot bearingChoose an item..Click here to
enter text. of Village Click here to enter text.
Ref: Your letter U/No.Click here to enter text. Dated Click here to enter text.
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The remarks for the above mentioned property for External storm water
drain/nalla are as under:(A) Nalla Remarks
1. Whether any natural water course/nalla is passing through the
property
2. Whether
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specific
remarks
for
nalla
is
obtained
from
E.E.(SWD)Planning Cell(Click here to enter text.) – Choose an item.
Major nalla remarks issued U/No. Click here to enter text.
3. The party shall construct the nalla as per Municipal specifications
4. The party will have to bear full cost of training and construction of
water course in the property in case the Corporation takes up the
work in hand.
5. The party shall submit stability certificate from Lic. Structural
Engineer for R.C.C Slab, retaining walls, etc.
6. The party shall submit a registered Undertaking for allowing the
Municipal Corporation to enter in his property along with vehicles and
machinery to clean the nalla.
VERSION 1.1
II-E-i-2A
(B) Storm Water Drain remarks for existing Municipal Rds./D.P
Rds./Internal Rds.
1.
The S.W.D shall be constructed as per Municipal specifications with
both side walls of 20 cm thi. In M20 grade CC. along with bed
concrete of 15 cm th. In M10 grade C.C. haunch of 8 cm th. In M20
grade etc. with smooth internal surface and same shall be covered
with R.C.C. slab in M20 grade CC. along with heavy duty M.H frame
& cover (with locking arrangement) of size 0.91 m x 0.61m at 6 m
distance.
2.
The regular water entrances of size 500 mm x 600 mm with heavy
duty M.S. grating shall be provided at 6m distance to collect the storm
water from road surface to S.W Drain .
3.
The gradient of the S.W.D shall be given such as to create velocity of
1.2m /sec. In case of steep localities where velocity is likely to exceed
2.40 m/ Sec. intermediate drop in the invert shall be provided
4.
The top of the S.W.D wall shall be kept min. 10 cm above the
formation level of the road.
5.
The waterway shall be measured 0.15 m before the formation level of
road & minimum waterway depth in any drain shall not be less than
0.30 m and minimum width not less than 0.45m
6.
All drains crossing roads shall be 1.50 times the size of drains
proposed.
7.
R.C.C. slab designed for “AA” class loading along with heavy duty
frame and cover with locking arrangement on S.W.D. shall be
provided at every entrance of the premises.
8.
To fully encase the R.C. pipe drain of NP-2 class with M 15 grade C.C.
and provide M>H. chamber with heavy duty frame and cover/grating
at 6 m distance.
9.
To intimate the date of starting of the construction of S.W.D / nalla in
advance
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II-E-i-2A
10. To submit ‘ As Built’ drawing showing across sections of S.W.D /
nalla constructed as per remarks
11. Compound wall shall not be constructed on S.W.D. wall and adequate
number of weep holes/openings should be provided in the compound
wall wherever necessary.
12. Necessary permission for the development of holding shall be obtained
from the concerned authorities before starting the works.
13. These remarks shall not be accounted as ownership documents.
14. That the above storm water drains shall be constructed as per the
design of Lic. Structural Engineer and stability Certificate from LIc.
Structural
Engineer
shall
be
submitted
before
requesting
for
completion Certificate.
15. Additional remarks:
External Storm water Drain remarks
Sr.
Notations
Descriptions of SWD Works
No.
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here to text.
enter
text.
Major Nalla Remarks
To comply, all the conditions of Revised Major Nalla remarks issued
U/No. Click here to enter text.
River remarks
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E.E.(S.W.D.) Click here to enter text.
Copy to:
Dy. Ch. E (SWD) Planning Cell.
VERSION 1.1
II-E-i-2A