CHELAKKARA GP 2025-26 PRO.NO.547- KOLATHUR DWSS - CONSTRUCTION OF BOREWELL AND RELATED WORKSWARD 16-General Civil Work

OD356655/2025-2026:Drilling 150mm dia bore well suitable to accommodate 180mm internal dia PVC casing pipe as per specification including all cost conveyance labor charges etc complete

OD356658/2025-2026:Supplying, assembling, lowering and fixing in vertical position in bore well 180mm dia 6kgf/cm2 PVC casing pipe ( ISI marked) , including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-Charge.

OD356659/2025-2026:Supplying and fixing 180 mm PVC end cap

18.19.5.1:Providing and fixing gun metal non-return valve of approved quality (screwed end): 65 mm nominal boreHorizontal

OD356660/2025-2026:Testing the water taken from the borewell to know the probability and yield and providing certificates from ground water department

OD356654/2025-2026:Supply and errection of Ferrow cement pump house as per following specifications. a) Foundation of size 2.10x2.10x0.60m ferrow cement square fitting by earth consolidation connecting using cement concrete 1:4:8. b) Ferrow cement ready made wall of size 2.00x2.00m (squre type) having an average thickness of 25mm and height 2.10m. c) Ferrow cement ready made triangular type roof . d) M. S Door with necessary fittings 90x210cm size painting with synthetic enamel paint two coat after a priming coat including supplying a pad lock. e) M.S ventilator with with grill of size 0.90x0.40m , painting withysynthetic enamel paint two coat after a priming coat. f) white washing two coats with cement proof paint two coat on inside and out side of pump house including roof.

OD356657/2025-2026:Providing and fixing PVC pipes includings of pipes with one step PVC solvent cement, trenching refilling & testing of joints complete as per direction of Engineer in Charge. 63 mm dia 10Kgf/cm2 Details of cost for 10 metre

50.18.9.7.1:Providing and fixing PVC pipes includings of pipes with one step PVC solvent cement, trenching refilling & testing of joints complete as per direction of Engineer in Charge. 63 mm dia 6Kgf/cm2