15th FC 2024 - 25 Tied Ist Installment Construction of New 30000 litre OHT and Pipeline laying at Kannupothai colony in Aralvoimozhi Town Panchayat.

Amount

Earthwork excavation in all soils and sub soils except hard rock requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering, ramming, depositing the surplus earth in the premises as directed by departmental officers etc., complete as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10- 1m3 For Foundation

1 st depth of 2m

2 nd depth of 1m

Supply, collection and filling of River Sand from approved quarry including all cost and conveyance to site, stacking them on road side to departmental gauge for the take premeasurement. Each layer not more than 15cm thick and consolidation properly etc complete. TNDSS No : 301 & 305

Plain cement concrete Using 1:4:8 mix (One cement, four Sand and Eight aggregates) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Reinforced cement concrete 1:11/2:3 (one cement one and half Sand and three aggregate) using 20mm size I.S.S. metal including cost conveyance of materials to site and all labour charges etc., mixing laying consolidating curring etc., but excluding cost of steel etc., complete as per standard specification as per TNDSS NO: 30 V,VI (S3) VII-3

Below G.L 1.50m to 4.50m depth

Below G.L Upto 1.50m depth

Above G.L 0m to 4.50m height

From 4.50m to 7.32m height

From 7.32m to 10.98m height

From 10.98m to 14.64m height

From 14.64m to 18.30m height

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86.

PLANE SURFACE

Below G.L & Upto 3.30m height

From 3.30m to 4.30m height

From 6.30m to 7.30m height

From 10.30m to 11.30m height

CURVED SURFACE

From 0m to 3.30m height

SQUARE COLUMN

Below G.L & Upto 3.30m height

From 3.30m to 4.30m height

From 4.30m to 5.30m height

From 5.30m to 6.30m height

From 6.30m to 7.30m height

From 7.30m to 8.30m height

From 8.30m to 9.30m height

From 9.30m to 10.30m height

From 10.30m to 11.30m height

Painting two coats with ready mixed Plastic Emulsion Paint S.I.358 of'approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials and all labour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No:66-A (Sl.No.358)

Supplying, fabricating and placing in position of mild steel or TMT rods, including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per SS. TNDSS NO: 97 V,VI (S6) VII (S6) VII-3

Construction of RCC spiral staircase in RCC 1:1:5:3 (One cement 5 sand and 3 coase Aggregates) using 20mm HBGS of 1.80m diameter of required height for approach to the roof of service Reservior with RCC Handrails including earthwork excavation providing CC 1:4:8 mix RCC footting 1:1:5:3 mix GL platform etc., and also including cost of steel reinforcement fabrication charges scaffolding centering precasting charges cement painting etc., complete as per standard specification and as directed by Departmental Officers. The staircase shall be braced to the column of service reservior at suitable interval. (in the BOQ,quantity column the exact height to be mentioned from GL to roof slab bottom to get total value of work to be done.

Supply casting and fixing of hand rail at top of the OHT icluding steel centering cost of steel and all materials etc complete

Supplying and fixing in position of 0.60x0.60m water light CI Man hole frame and cove of approved pattern at the roof slab and as directed. The man hole frame and cover should be of light duty and confirming to IS 1726-1974

Supply and fixing of R.C.C (1:1.5:3) tank inside access ladder mado of 20mm size HBG metal including cost of all materials, centering, shutering, strutting, fabrication and placing in position of reinforcement, finishing and curing etc complete

Writing of scheme details on the side wall of the OHT including cost of paint and all labour charges etc complete

Supply, delivery and fixing of enameled water level indicator of approved design and pattern (graduation in metric system) with required all accessories as directed by TWAD Board Officers. (The rates including loading, unloading, transportation charges etc.)

Supply and delivery of following pipes ans specials

80mm GI pipe B Class

80mm GM Gate valve

80mm GI Elbow

80mm GI Coupling

80mm Flange set

90mm PVC Pipe 6ksc

90mm pvc Elbow

90mm pvc Tee

Solvent cement

Earth work excavation and deposing on bank with an initial lead and lift in hard stiff clay stiff black cotton hard red earth shales murram gravel stoney earth mixed with small size boulders for laying of pipe line including refilling the trench with excavated earth etc complete

90mm pvc pipe 6ksc

Lowering of following pipes and specials to trench laying to proper grade and alignment etc complete

90mm pvc pipe 6ksc

80mm GI pipe B Class

Labour charges for linking the pipe line with existing main in proper grade and alignment etc complete.

S.P.SUTHA (BID ID -1224188)