Construction of 2.00 LL capacity of OHT 16.00 m Staging at Shajan Mahal in Reethapuram Town Panchayat

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of all soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per specification SS 20B

All Soil

Plain Cement concrete 1:4:8 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course for foundation including the cost of mixing, placing the concrete in position, consolidating finishing

Reinforced cement concrete M30 design mix using 10mm and 20mm Hard Broken Stone. The rates excluding the cost of supplying, fabricating and placing in opposition of MS / RTS Grills for reinforcement and centering, strutting & shuttering, etc complete

(i) below 1.50m to 4.50m depth from G.L

Below G.L upto 1.50m depth

Above G.L upto 4.50m height

Above 4.50m to 7.32m ht., from G.L

Above 7.32m to 10.98m ht., from G.L

Above 10.98m to 14.64m ht., from G.L

Above 14.64m ht., to 18.30m ht.,

Above 18.30m ht., to 21.96m ht.,

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over silver oak (country wood)

Upto 3.30m ht., from G.L

Circular column upto 3.30m ht., from floor level

From 3.30m to 4.30m ht.

From 7.30m ht., to 8.30m ht.

From 11.30m to 12.30m ht.

From 15.30m to 16.30m ht.

Centering for square column - upto 3.30m ht.

From 3.30m to 4.30m ht.,

From 4.30m to 5.30m ht.,

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m ht., to 9.30m ht.,

From 9.30m ht., to 10.30m ht.,

From 10.30m ht., to 11.30m ht.,

From 11.30m ht., to 12.30m ht.,

From 12.30m ht., to 13.30m ht.,

From 13.30m ht., to 14.30m ht.,

From 14.30m ht., to 15.30m ht.,

Curved Surface

Centering for curved surface

Upto 0-3.30 m(from floor slab working platform)

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer-in-charge. The rate to include the cost

Painting two coats with approved cement paint best quality over the outer wall surface including cost of cement paint etc. complete complying with standard specification etc., complete as per standard specifications and as directed by Engineer-in-charge

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x 0.15m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

|Supplying and fixing in position of RCC |(1:1.5:3) in side access ladder of |following size using 20mm size HBS jelly |including cost of all materials,|centring, shuttering,strutting,|fabrication and placing in position of |reinforcement, finishing, curing etc.,|complete and as directed by Departmental Officers.

Construction of RCC spiral staircase in RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS of 1.80 m diameter of required height for approach to the roof of Service Reservoir with RCC Handrails including earthwork excavation, providing CC 1:4:8 mix, RCC footing 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 specifications and as directed by Engineer. The staircase shall be braced to the column of service reservoir 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.

Supplying and fixing of RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including the cost of reinforcement, centering, precasting, finishing etc complete

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty and confirming to IS: 1726-1974

Supply and fixing in position of enamel water level indicator with all accessories of approved pattern and design etc., complete as per standard specifications and as directed by Engineer-in-charge (WD-M1383) Vol II 95

Providing and fixing of RCC 1:2:4 (one cement, two sand and four course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete 0.30m dia

Pipe Connection (Inlet, Outlet, Over flow, Scour & Civil work) ( Vide separate sheet)

Labour charges for Painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint, scaffolding charges including painting NRDWP Logo on the Service Reservoirs.

Refilling the foundation with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification and as directed by Departmental Officers.

Labour for cutting open road for laying water mains or sewer (BT Roads)

Plain Cement concrete 1:2:4 (one cement, two sand and four aggregates) using 20mm ISS HBG metal including cost of all materials and labour charges for mixing, laying, compacting and curing etc, complete as per standard specifications. TNDSS NO: 30 V,VI (S3) VII-3

Supply and delivery of 110 mm HDPE pipe PN 10 including all taxes conveyance charges etc complete

Lowering the 110 mm HDPE pipe

Jointing the 110 mm HDPE pipe

Earth work excavation for pipe line including all cost of materials and labour cost etc.,

Refilling the excavated earth to site from site including all cost of material and labours cost etc.,

Pipe Specials

110 mm 90 degree bend

80 mm DI D/F Gate valve for Scour in 110 mm HDPE main

40 mm CI Double Air Valve in 110 mm HDPE main

100 mm DI D/F Gate Valve in 110 mm HDPE main

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc.,

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