WBPHED/EE/HD/NIeT-01 OF 2026-27

Withdrawing of DI/CI pipes / AC pipe after excavation of earth and with the help of chain pully derrick etc. by dismantling of jointing of rubber gasket joint or lead joint or flange joint and stacking the withdrawn pipes and specials at site store /road flank godown etc. all complete as per direction of ElC. b) 150 mm dia to 200 mm dia

c) 250 mm dia to 350 mm dia

Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night.

Dewatering from the excavated trenches for repairing any type of pipe line including Hire Charge of pump/ carring/ Fuel & lubricant/ Operator etc. for big dia pipes more than 200 mm dia all complete as per direction of E.I.C (This item will be executed after the permission of E.I.C)

Making lighting arrangement for continuation work during night including all charges (Applicable exclusively for emergency situation and as per direction of EIC.)

Carrying CI/DI pipes with specials and valves and lowering placing in position and laying carefully inside the trenches in proper alignment and gradient etc. including earth work in excavation of adequate width as per specification having min. clear cover from top of pipe is 1.10mtr. below existing ground level in any kind of soil including mixed with boulder, road sub-grade and its flank,but excluding moorum and laterite and stone etc.without damaging the exisiting telephone/electric cable etc.(in case of damaged if any type of cable line during excecution , necessary damaged charges as applicable by the respective authority will be borne by the agency in his own cost) preparing the bottom surface for continuous bedding of pipe line and laying pipes, fitting, fixing specials and valves with bailing out water if any including carriage of pipes, specials and valves from local deptt. store within 8KM and back filling the trenches with excavated earth in layers to original condition as per specification and direction of EIC. The surplus materials after execution of work are to be return to the deptt. store. d) 150mm dia.

f) 250mm dia.

Construction of different dia Sluice valve /Air valve /Washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab with necessary opening for operation of valve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified] i) 80 mm to 150 mm dia pipe

i) 250 mm to350 mm dia pipe

Supply of CIDF Sluice valve (PN-1.0) with cap [IS 14846/2000] d) 150 mm dia