pipeline at gandhinagar in achirapakkam

Amount

Earthwork excavation and depositing on bank with initial lead and lift all classes of soil at 100% narrow cutting for foundation works as per SS20B.(HGS) Item No. 62.

Cement Concrete 1:4:8 (One cement, four fine aggregate and eight course aggregate) mix using 40mm HBG ISS metal from approved quarry including cost and conveyance of all materials to site and labour charges, including dewatering if found necessary and lai

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as CC 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.

Providing and laying in position Standardised Concrete Mix M-20 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 325Kg/ cum and maximum water cement ratio of 0.55 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 -

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Supply and Delivery of unpasted 90mm PVC pipe 6KSC PVC pipe including cost and conveyance and all other labour charges etc. complete.(TWAD SR 2024-25 Pg No 5 vol-2

Lowering the 90 mm PVC pipe 6KSC PVC Rigid pipe into trenches proper grade and alignment including cost and conveyance of all materials and all other labour charges for laying, testing etc., complete. (TWAD SR 2024-25 Pg No 171 vol-2

Refilling with excavated earth including all other labour charges for filling, levelling as per Standard specification etc. complete. (TWAD SR 2024-25-P.No.80)

Providing Public Fountain Stand Point With require height Including Cost of all Materials and Labour Charges etc Complete Standard Specification

Supply & delivery of Single phase panel board with two level guard with auto start for 1HP single phase submersible pumpset including cost and conveyance of material etc., complete as per standard specification TWAD Board pg no.313

Supply & delivery of 1 HP Single Phase submersible pumpset Duty 20 lpm x 90 m head, including cost and conveyance of material etc., complete as per standard specification. page no.104 tward board 23-24

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required dept valves erection clamps, pressure gauges upto the exterior wall of pump room and erectionof panel board consisting of TPICN switches starter, voltmeter, ammeter, three piolot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules, etc compete and testing the pumpset and train run for 10 days page no.302 tward board 23-24

Supply and delivery of PVC insulated and sheathed 3 core 2.5 sqmm flate type copper cable confirming to IS 694/1990 including cost and conveyance of material etc complete as per standard specification.tward board pg.214

Supply and delivery of HDPE tank of size 2000 litres capacity bearing with ISI make providing 3 Nos. of 20mm tap connections with check nut washers nipple arrangments and 1 No. of 25mm for scour and 32mm for over flow arrangemetns etc., complete tward board pg.no.92

Supply and delivery of HDPE tank of size 1000 litres capacity bearing with ISI make providing 3 Nos. of 20mm tap connections with check nut washers nipple arrangments and 1 No. of 25mm for scour and 32mm for over flow arrangemetns etc., complete tward board pg.no.92

Rate for flushing of borewell of 6” dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by ‘V’ notch method if required. Twad p.no:212

Supply, delivery and fixing the following specials in GI and PVC including cost and conveyance of all materials and labour charges fixing in position of specials etc.,complete tward board pg.no.218 1-1/4" GM Gate valve-32mm

1-1/4" GM Non return Valve-50mm

90MM Dia PVC Bend

80mm GI Elbow