annual plan-spra-116/26-mullanthandu dwss maintenance-general civil work -- 1 dwss maintenance 2 od109415/2025-2026:supplying and fixing 40 mm dia 10 kg/cm2 hdpe pipe including specials and all fitting charges but excluding trenching and refilling etc complete 3 od127784/2025-2026:water proof plastering with cement mortar 1:4 (1 cement : 4 fine sand) 12mm thick plaster finished with a floating coat of neat cement mixed with water proofing compound of approved make @ 2kg/m2 of mix floated hard and troweled smooth including all labour, material, conveyance charges etc complete. 4 od127785/2025-2026:supplying and fixingstand alone tap 5 10.25.1:item shifted to sub head 14 as item 14.73item shifted to head 14 as item 14.74steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in stringers, treads,landings etc. of stair cases, including use of chequered plate wherever required, all complete 6 od251310/2025-2026:supply and fixing 50 mm dia 10 kg/cm2 hdpe pipe ,pe-80 including specials and all fitting charges but excluding trenching and refilling etc complete 7 od251320/2025-2026:supply and fixing 63 mm dia 10 kg/cm2 hdpe pipe ,pe-80 including specials and all fitting charges but excluding trenching and refilling etc complete 8 18.17.3:providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end) :40 mm nominal bore 9 18.17.4:providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end) :50 mm nominal bore 10 4.1.5:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:3:6 (1 cement : 3 coarse sand (zone-iii) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) 11 od251412/2025-2026:supplying and fixing 25 mm dia 10 kg/cm2 hdpe pipe including specials and all fitting charges but excluding trenching and refilling etc complete 12 18.17.1:providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end) :25 mm nominal bore