Annual Plan-Project No. 323/26- Puthenpurackl Varghese Memorial Drinking Water SchemeWater Tank Construction -ward 16, Manjoor GP

Pipeline laying

OD396954/2025-2026:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

OD396953/2025-2026:Providing and fixing (Grade PE 100) HDPE pipe including joining of pipe with mirror welding one step and testing of joint etc complete as per the direction of dept. officers at site (75mm dia 10 kgf/cm2).

OD396952/2025-2026:Providing and fixing (Grade PE 100) HDPE pipe including joining of pipe with mirror welding one step and testing of joint etc complete as per the direction of dept. officers at site (63mm dia 10 kgf/cm2).

OD396951/2025-2026:Providing and fixing (Grade PE 100) HDPE pipe including joining of pipe with mirror welding one step and testing of joint etc complete as per the direction of dept. officers at site (50mm dia 10 kgf/cm2).

4.1.13:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2½:4:11 (1 ordinary portland cement : 2½ fly ash : 4 coarse sand(zone-III) derived from natural sources : 11 graded stone aggregate 40 mm nominal size derived from natural sources)

18.17.3:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :40 mm nominal bore

18.17.4:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :50 mm nominal bore

18.17.5:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :65 mm nominal bore