standard specification for natspec basic (major building works)

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STANDARD SPECIFICATION FOR NATSPEC

BASIC (MAJOR BUILDING WORKS)

SCHEDULES

HOLD POINTS

WITNESS POINTS

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 1

JANUARY 2015

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR

BUILDING WORKS)

SCHEDULES

HOLD POINTS

WITNESS POINTS

PROJECT INFORMATION

Project Number; . . . . . . . . . . . . . . . .

RFT Number; . . . . . . . . . . . . . . . . . .

Project title;

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Superintendent;

Name; . . . . . . . . . . . . . . . . . . . . . . . . . .

Phone number; . . . . . . . . . . . . . . . . . . .

Contact person

(Project Manager/Officer)

Name; . . . . . . . . . . . . . . . . . . . . . . . .

Phone number; . . . . . . . . . . . . . . . . . . .

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 2

JANUARY 2015

1. HOLD POINTS AND WITNESS POINTS SCHEDULES

1.1 SCHEDULE 1 - HOLD POINTS

Schedule 1 – Hold Points

CLAUSE TITLE

Groundworks - Existing services – Approval for excavation within 1m of underground services

Groundworks – Excavation – Approval to use explosives

Termite Control - Reticulation system – Acceptance of system design plan

Concrete - Contractor's submissions – Information on saw joints

Concrete - Embedded items – Approval to disturb reinforcement

Concrete - Concrete - Chemical admixtures – Approval to use

Concrete- Concrete - Ready mixed supply – Submission of slump and mix details

Concrete - Concrete - Hot weather placing – maximum ambient temperature

Concrete – Joints – Approval of construction joints not shown on drawings

Structural Steel - Contractor's submissions – Shop drawings

Structural Steel - Construction generally – Availability of lengths/sections – Acceptance of splices and joints information

3.5

3.8

4.6

5.4

5.11

5.12.1

5.12.2

5.12.4

5.17

6.3

6.5.1

Structural Steel - Construction generally - Temporary connections

(cleats) – Acceptance of information

6.5.6

Structural Steel - Construction generally - Enlargement of bolt holes -

Approval

Structural Steel – Welding - Acceptance of Weld Procedure

Specifications

Light Steel Framing - Roof trusses – Submission of shop drawings

6.5.7

6.6.1

Masonry - Samples - Masonry unit samples

Masonry - Samples – Face-work sample panels

Masonry - Materials and components – Acceptance of proposed additives

7.8

8.3.1

8.3.2

8.4.4

Masonry - Materials and components - Acceptance of proposed

Coloured mortar

8.4.5

Masonry - Materials and components - Acceptance of proposed

Premixed mortar

8.4.6

Masonry – Construction generally - Acceptance of proposed Cleaning system and submission of Safety Data Sheets for proposed chemicals

8.5.1

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 3

JANUARY 2015

Schedule 1 – Hold Points

CLAUSE TITLE

Masonry - Reinforced masonry – Inspection and approval of cleaning out of cores

Woodwork - Roof trusses – Submission of shop drawings

Insulation, Sarking & Pliable Membranes – Inspection before covering up

Windows - Contractor's submissions – Shop drawings

Suspended Ceilings - Construction generally – Approval of set out

Painting – Approval for spray painting

Sanitary Services – Hydrostatic Tests

Sanitary Services – Sanitary plumbing – Building penetrations –

Approval to penetrate structural members and elements or membrane elements

Sanitary Services – Sanitary plumbing – Concrete building elements

– Approval of locations of sleeves and core holes

Sanitary Services – Maintenance holes – Construction – Approval to use pre-cast maintenance or inspection access units

Sanitary Services – Maintenance holes – Testing of maintenance hole / pipeline connection – Fit plugs Hold Point not stated

Water – Hydrostatic Tests – Approval of results

8.11

9.10

12.3.1

13.5

17.7

26.5

29.3

29.9.2

29.9.2

29.11.1

29.11.5

30.3

LP Gas - Compliance plate installed, Certificates of compliance provided

31.11

Wiring & Accessories - Movement detector locations approved

Luminaires – Installation – Approval of non-specified mounting hardware

33.10

35.3

General Mechanical Requirements - Contractors submissions - Shop drawings – Submission and written permission to use

40.3.2

General Mechanical Requirements - Contractors submissions -

Variation drawings – Submission and approval to use

Roads - Density tests – Approval of results

Fabric shade structures - Shop drawings

Landscape – Samples for approval

40.3.3

46.6

47.6

49.3

Irrigation - Shop drawings

Irrigation - Control cabling – Inspection before backfilling trenches

Irrigation – Tests - Hydrostatic tests – Approval of results

Irrigation - Contractor's submissions - Design plans – Submission for approval

50.2.2

50.2.3

50.3.1

50.4.1

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 4

JANUARY 2015

1.2 SCHEDULE 2 - WITNESS POINTS

Schedule 2 – Witness Points

CLAUSE TITLE

Demolition - Inspections

- Adjoining structures before commencement of demolition

2.2

2.2.1

- Underground structures after demolition above such structures 2.2.2

- Trees specified to be retained before commencement of demolition 2.2.3

- Excavations remaining after removal of underground work

- Structure after removal of roof sheeting or wall cladding

- Services after diversion or re-connection

- Site after removal of demolished materials

Demolition - Materials and components -Hazardous materials

Ground works – Inspections

- Enclosures to trees to be retained

- Excavation completed to contract levels or founding material

- Services laid in trenches and ready for backfilling

Ground works - Bad ground – immediate notice

Termite control – Inspections

- Chemical spraying of under slab areas

2.2.4

2.2.5

2.2.6

2.2.7

2.3.1

3.2

3.2.1

3.2.2

3.2.3

3.3

4.2

4.2.1

4.2.2

4.2.3

- Stainless steel mesh barriers installed, before concrete is poured

- Chemical reticulation system installed ready for testing

Termite control – Completion – Fixing of durable notice

Concrete - Inspections

- Termite barrier and film underlay installed on the base

4.9

5.2

5.2.1

- Completed formwork, and reinforcement, cores and embedments fixed in place

5.2.2

- Commencement of concrete placing

- Before core filling masonry

Structural steel – Inspections

5.2.3

5.2.4

6.2

- Commencement of shop fabrication

- Surface preparation prior to painting

- Steelwork and column bases erected on site

Light steel framing – Inspection before lining or cladding

Masonry - Inspection

- Damp-proof courses

6.2.1

6.2.2

6.2.3

7.3

8.2

8.2.1

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 5

JANUARY 2015

Schedule 2 – Witness Points

CLAUSE TITLE

- Flashings, downpipes and other work to be concealed

- Bottoms of cavities after cleaning out

- Lintels in position

8.2.2

8.2.3

8.2.4

- Structural elements being built in

- Bottoms of core holes before grouting

- Core filling

- Control joints ready for insertion of joint filler

Woodwork – Inspection of structural woodwork before covering up

Roofing – Inspections before building in or covering up

- Substructure

- Sarking or vapour barrier

- Insulation

8.2.5

8.2.6

8.2.7

8.2.8

9.2

10.2

10.2.1

10.2.2

10.2.3

- Box gutters

Cladding – Inspection of framing with sarking and flashings before fixing cladding

10.2.4

11.2

Windows - Inspection - Fabricated window assemblies at the factory ready for delivery to the site

13.2.1

Windows - Inspection - Openings prepared to receive windows

Doors – Inspection – Door frames in place before building in

Suspended ceilings – Inspection – Suspension system, before ceiling installed

Partitions – Inspection – Bases, before partitions installed

Lining – Inspection – Substrate and framing, before linings installed

13.2.2

15.2

17.3

18.2

19.2

Plastering - Inspections

- Immediately prior to commencement of plastering

- On completion prior to decorative coating

Metal work – Inspection – Shop fabricated or assembled items, before delivery to site

20.2.2

21.2

Fixed furniture – Inspection – Items fabricated off site, before delivery 22.2

Tiling - Inspection - Completion of waterproof membrane 23.2.1

23.2.2 Tiling - Inspection - Initial or trial set out

Resilient finishes – Inspection – Completion of laying underlay

Carpets – Inspection – Fixings, edge strips, underlay, before laying carpet

24.2

25.2

20.2

20.2.1

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 6

JANUARY 2015

Schedule 2 – Witness Points

CLAUSE TITLE

Painting - Inspection

- Substrate immediately prior to commencement of painting

- Prior to application of final coat

Stormwater – Inspection – Work ready for testing

Sanitary services – Inspection – Work ready for testing

Water – Inspection – Work ready for testing

LP Gas – Inspection – Work ready for testing

General electrical requirements - Inspections

- Concealed cabling prior to covering

26.4

26.4.1

26.4.2

28.2

29.2

30.2

31.2

32.2

32.2.1

- Required tests

Wiring & Accessories - Movement detectors – final sensitivity tests

32.2.2

33.10

Master antenna TV – Commissioning – tests and contract compliance 37.4

Fire detection – Inspection – Attend authorities’ inspections 39.2

Fire detection – Commissioning tests

Fire detection – CIE tests

General Mechanical Requirements – Inspections – Written notice of tests

General Mechanical Requirements – Installation – Shop drawings

General Mechanical Requirements – Commissioning

39.12

39.12

40.2

40.5

40.11

- Air balancing 40.11.1

- Water balancing

- Noise testing

40.11.2

40.11.3

- Vibration testing

- Acceptance tests

- Final tests

Mechanical Pipework - Tests

- Pressure tests

- Dehydration

- Charging

- Piping generally

- Pressure tests

- Expansion tank

Paving – Inspection – Unit paving trial set-out

40.11.4

40.11.5

40.11.6

43.3

43.3.1

43.3.2

43.3.3

43.3.4

43.3.5

43.3.6

45.2

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 7

JANUARY 2015

Schedule 2 – Witness Points

CLAUSE TITLE

Roads - Inspection

- Subgrade material opened up so that its nature can be assessed

- Testing including proof rolling

46.2

46.2.1

46.2.2

- Prepared subgrade and surfaces prepared for priming, sealing or surfacing

46.2.3

46.2.4 - Placing sub-base and base and surfacing

Fabric Shade Structures – Samples of fabric and technical data

Fabric Shade Structures - List of required inspections

Landscape - Inspections

47.7

47.9.1

49.2

- Subgrades cultivated or prepared for placing topsoil

- Grassing bed prepared prior to turfing, seeding, or temporary grassing

49.2.1

49.2.2

- Set out of planting holes prior to excavation

- Plant holes excavated and prepared for planting

Irrigation – Inspection – Work ready for testing

49.2.3

49.2.4

50.2.1

STANDARD SPECIFICATION FOR NATSPEC BASIC (MAJOR BUILDING WORKS) – SCHEDULES – HOLD POINTS –

WITNESS POINTS – PAGE 8

JANUARY 2015

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