GE/863/EWS-T-85 OF 2025-26 COMPREHENSIVE MAINTENANCE OF EXTERNAL WATER SUPPLY PIPELINES, FILTERATI

same as serial item no 1 but 50 mm dia

same as serial item no 1 but 40 mm dia

same as serial item no 1 but 25 mm dia

same as serial item no 1 but 20 mm dia

same as serial item no 6 but 50 mm dia

same as serial item no 6 but 40 mm dia

same as serial item no 6 but 25 mm dia

same as serial item no 6 but 20 mm dia

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 m in depth in a hard/dense soil for laying pipes/repair to pipes and sluice/control valves etc. complete all as specified and directed.

Returning refiling in, including spreading, leveling watering and well raming in layers each not exceeding 25 cm thickness complete all as specified and directed.

Supply conecting and testing and comissioning complete electric cable PVC insulated and PVC sheathed water proof 3 phase 3 core AC 1100 volts grade 10 sqmm starnded copper conductor suitable for submersible pump including making connection to pump set as well as to control panel complete including taking out old cable all as directed.

Supply and fixing submersible rope wire 8 mm, suitable size for hanging submersible pump complete all as specified and directed

same as serial item no 34 but 60 mm OD

Supply & Laying , jointing,testing in replacement of 40 mm dia HDPE pipe of pressure rating 6 kg/sqcm complete all as specified and directed.

M & L for fabrication including welding and fixing in replacement of valve chamber cover made out of 3mm thick MS sheet duly supported by MS flat 25 X 4mm all around and diagonal for various sizes valves chambers duly fixed with 25X4mm flat and long split at one end embedded in wall and lifting handle of MS flat with suitable size and welded to MS sheet with and incl locking arrangement and painted with approved quality of two coats of enamelled paint over a coat of metalic primer including taking out existing chamber cover complete all as specified and directed by Engineer-in Charge.

Supply, Laying and testing in replacement old UNSV pipe of any type with new 3 layer PP-R polypropylene random copolymer concealed pipes 20mm outer dia SDR 7.4 (PN-16) UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R Plain & brass threaded polypropylene random fitting laid in trenches , wall , cellings or in floors etc all as specified and directed. Note :- Earth wrok (Excavation, Returning filling and Removal ) shall be measured and paid separately &- Item No 47 to 52 for PP-R pipes, connecting fittings i.e PP-R Sockets, elbow,Tee sockets , reducer, unions etc of both plain and brass threaded type are included in above rates.

All as per Item s.no 45 here in before but of size 25mm (outer diameter of pipe) complete all as specified and directed.

All as per Item s.no 45 here in before but of size 32mm (outer diameter of pipe) complete all as specified and directed.

All as per item Srl No. 84 here in before but for CF / Monoblock electric motor of capacity upto 3 HP.

All as per Item s.no 45 here in before but of size 50mm (outer diameter of pipe) complete all as specified and directed.

ITEM NO-78

ITEM NO-79

S & F uncharged and non cogulant sand media and marble stone aggregate of 5mm graded (thickness-100mm-2 tank) in white colour suitable for water filteration ned including removing of old silca sand from the site and depositing away from tank complete all as specified and directed

M& L for dwatering from semiunderground sump 10000 glns capacity, cleaning internal walla bottom surface of sump by removing scales and other foreign materials, scrubbing with water using coir jute bruhless,washing the surface with mixture of bleaching powder and water & finally washing with fresh water on walls,bottom surface etc applying two coats of white wash inside and outside as existing colour wsh and writing letters on the wall i.e capacity of tank, complete as specified and directed.

Material and labour in replacement for laying of HDPE pipeof Grde PE 100,PN16of dia 100 mm laid trenches/floor complete all as specified and directed. Note Excavation and earth work shall be measured and paid separetly.

Material and labour in replacement for laying of HDPE pipeof Grde PE 100,PN16of dia 75 mm laid trenches/floor complete all as specified and directed. Note Excavation and earth work shall be measured and paid separetly.