17/EE/O and M-IIB/W and S/KMDA of 2025-26

Dismantling all type of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed with in a lead of 75 m. (a) Inground Floor including roof.

Sypply of E.R.W.M.S. (Electrical Resistant Welded M.S.) black pipe of ISIMark as per relevent IS Specification ( heavy quality ) having wall thicknessnot less than 5 mm. [N.B.: The rates for supply of TATA Make pipe will bearrived at by adding 20% of the corresponding rates ]

(a) 100 mm dia.

Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-Charge. (a) 100mm dia.

Chamfering the spigot end of C.l./D,l. pipes for fitting with the socket of C.I./D.I pipes and/or specials in tyton jointed water mains or other wise using electric grinder as per specification and direction of the Engineer-in- Charge. (a) 100mm dia.

TakIng out C.I, / D.I. pipes with specials and valves including stacking the same within a lead of 30 M as per instruction of the Engineer-in-Charge, (Excavation. dewatering. earth filling etc. will be paid separately). (a) Pipe up to 150 mm diameter and depth of trench up to 2 Metre

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge.Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. (a) 100 mm dia.

Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductile iron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valves suitable for maximum working pressure of 10/16 kg/cm² and body tested 15/24 kg/cm². Flanges drilled to IS: 1538 table 4 & 6. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device.

i) 100 mm dia

Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane (for diameter above 250 mm) by providing temporary support, as required, gaskets, nuts & bolts etc. all cornplete as per specification and direction of the Engineer-in- Charge. [The rate Includes cost of flange joints] (a) 100 mm dia.

Labour for cleaning & Washing CI / DI / AC Pipe line upto 150mm dia. Including scraping internal deposits if necessary as per direction of Engineer-in-Charge.

Supplying, fitting and fixing of C.I. Mechanical flexible Flange Socket Tailpiece suitable for making flanged connection with the plain barrel of C.I. Spun Pipes (as per IS : 1536) and D.I. Pipes (as per IS : 8329). The Tailpieces to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. (a) 100mm with length 100mm

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as perspecification and direction of the Engineer-in- Charge. [After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost] (a) 100 mm dia.

Dewatering by pupms including all leads, lifts and making all arrangements of disposal, where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage, breakage and making wet connections.

Ordinary Cement concrete (Mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (a) Pakur variety

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

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 . (a) 80 to 150 mm dia.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (Payment to be made on measurement of finished quantity). a) With silver sand.

Add GST @ 18% on sum of Sl No-1 to 16

Add LWC @ 1% on sum of Sl No-1 to 17

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