15th SFC 2024-2025 Tied 2nd 2

Amount

Earth work excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following clafication of soils as directed by Engineer incharge.

Hard stiff clay, block cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B.

First Depth of 2m

Pipelines

Second Depth

Supply delivery and filling of River sand in Layer of not more than 15cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyance of sand at site and all labour charges and all other incidential charges etc., complete as per Standard Specification 1Cum.

Cement Concrete of mix 1 : 4 : 8 (One Cement four sand eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placing in position including shoring, strutting, forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 400Kg/ cum and maximum water cement ratio of 0.45 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Items 1.5m to 4.5m Below G.L.

Items 0 to 1.50m below G.L.

Items 0 to 4.50m from above G.L.

Items 4.51m to 7.32m from above G.L.

Items above 7.33m & upto 10.98m from G.L.

Supplying and errecting shuttering including necessary supports for plain surfaces in foundation and Basement R.C.C. coloumn footings plinth Beams etc., complete Complying with standard Specification. Without Strutting.

Plane Surfaces

Below GL items for footing & Brace (plane)

Below G.L.

Curved Surfaces

Square Column

Below GL

Painting the new walls two coats over one coat of priming with best Emulsion paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by the department officers etc., complete complying with standard specifications.

Supplying and Fabrication of Steel and placing in position MS / Ribbed tor steel grills for RCC works as per design given including cost of steel and GI binding wire in Floors etc., Complete complying with standard specification in force per KiloGram.

Frabrication, Supply, Delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6mm MS Angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 30,000 litres capacity OHT of suitable inclined length, including bottom anchorage and transportation and as directed by Engineer Incharge

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One Cement, One and Half sand Three aggregates) Using 20 mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post 10cm x 15cm and steps slab of 25mm x 25mm etc., complete and as directed by Engineer Incharge

Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC pipes and cowl and as directed by Engineer Incharge

Providing Cut stone slab in CM 1:3 and as directed by TWAD Board Officers

Providing manhole cover of size 0.60 x .060M in RCC 1:1.5:3 with suitable reinforcement and 50 x 50 x 6mm MS Angle fixed along edges and as directed by Engineer Incharge

Painting Name Board on the SR with enamel paint as per Standard specification and as directed by Engineer incharge

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete as detailed below.

65mm Φ GI pipes for inlet connection

65mm Φ GI pipes for Over Flow and Rain Water Harvesting Pipe

50mm Φ GI pipes for Scour Pipe

65mm Φ GI pipes for Delivery pipe

65mm Φ GM Gate Valve

50mm Φ GM Gate Valve

63mm Φ PVC Pipe 6Ksc

Specials

Refilling the foundation with excavated earth including consolidation as directed by Engineer Incharge

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

V RAMASAMY (BID ID -1530848)