WBPHED/EE/MD/NIeT_42 of 2025-2026, Sl. No. 02

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.

N.B: i) Any deviation from required clear cover of 1.10mtr., due to site adverse condition, prior permission is to be obtained from the EIC in exceptional situation and payment will be made on prorate basis over the rate of entire item. ii) No payment will be made without hydraulic test of the pipe line either part or full iii) The pipes, specials and valves,rubber gasket will be supplied deptt. free of cost.

( a ) 150 mm dia.

Making rubber gasket joint to CI/DI pipes maintaining proper alignment level etc. by mechanical arrangement with or without using mobile cranes where necessary and with help of all other equipments tools and tackles etc. as required providing lubricants of approved quality and direction of EIC. (rubber gasket will be supplied deptt. free of cost)

( a ) 150 mm dia.

Making flange joint to DI/CI pipes, specials and valves where necessary with supply of required rubber insertion and nut bolts, washers etc. of approved quality and type all complete as per specification and direction of EIC (Nut and bolts shall be of TATA/GKW rate)

( a ) 150 mm dia.

Chamfering the spigot end of all type/class of DI pipe for proper using of push joint by means of grinder set at site for proper joint etc. all complete as per direction of EIC.

( a ) 150 mm dia.

Filling the pipe line with water, testing hydraulically as per I.S 3114-1965 (Article-6) in section of a length not exceeding 500mtr. for head of pressure as per specification including supplying installing and fixing all equipments such as diesel pump set, blank flange, pressure gauge, valve, pressure pump and all other tools and plants including drilling topping and plugging of necessary holes to pipes, blocking ends providing temporary thrust block and subsequent blocking of holes and other jointing materials and dismantling and removal of the same including disposal of water etc. all complete as per specification and direction of EIC. The rate is inclusive of cost of requisite water to be arranged by the contractor (Recovery rate of water @ Rs.10.00/m3, if contractor used water from deptt. source).

a) 150 mm dia D.I pipe.

Cleaning thoroughly the inner surface of pipe line including specials and valves by flushing with water and subsequently disinfection of the same pipe line by flushing again with water containing bleaching powder resulting in residual chlorine not less than 15mg/ltrs. after 24hrs. of such filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipe line after completion of the work. The rates including of cost of requisite water to be arranged by the contractor) (The rate of water @Rs. 10/m3 may be recovered, if the contractor used water from deptt. source).

a) 150 mm dia D.I pipe.

Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest emended having body dome/bonnet and cover of C.I.Gr-F.G 210mtr. spindle of IS-6603 G.R-12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2. N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender list.

( a ) 150 mm 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 roof slab including supply of 150mmx150mm C.I. surface box embedded into RCC cover slab all complete including cost of labour & materials. (a) with 100mm thick RCC cover slab for village road where light traffic run.

a) 80 mm to 150 mm dia pipe.

Supply and delivery of different dia. D I specials including loading unloading and carriage inclusive of taxes and all charges whatsoever.

a) Double Flanged Bend 150 mm X 90°

b) Double Flanged Bend 150 mm X 45°

c) Double Flanged Bend 150 mm X 22.5°

d) Double Flanged Short Piece 150 mm X1.0 M

e) FLANGE SPIGOT 150 mm.

f) FLANGE SOCKET 150 mm.

g) Mechanical Collar 150 mm.

h) All Flange Tee 150X150X150

Supply & delivery of following nominal sizes C.I. Specials as per I.S. 1538 ( Part XXI ) 1976 with latest amendment up to date including all taxes & other incedental charges what so ever, carriage, loading unloading & stacking as per direction of EIC.(as per site requirement).

a) CIDF pipe Class-I as per I.S 7181-1986 with latest revision.

b) CIDF Duck foot bend Class-I as per I.S 1538-1976 with latest revision.

c) C.I.D.F Bend Class-I as per I.S 1538 (Part-XXI) -1976 with latest revision.

Earthwork in excavation in foundation trenches or drain in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading & stacking the spoil within a lead of 75m as directed. The item includes necessary trimming the sides of trenches. Levelling, dressing and ramming the bottom, bailing out of water as required complete. (a) Depth of excavation not exceeding 1500 mm.

Earth work in filling in compound, tank, low land,ditches etc. with good earth, in layers not exceeding 150 mm. including breaking clods and consolidating the same by ramming and dressing complete. (Payment will be made on profile measurement before and after the work)

a) With carried earth arranged by the contractor within a radius of 3 km.

Ordinary Cement Concrete (mix 4 : 2 :1) with graded stone chips (20 mm. nominal size) excluding shuttering and reinforcement, if any, in ground floor, as per IS codes.

Carriage of different type of departmental pipes from Divisional/Sub-divisional store to the work site by truck including loading, unloading, stacking etc. including cost of fuel, lubricant and also cost of driver, helper etc. and all other taxes and charges as applicable as per direction of EIC.

Add Includng GST @18%

Add Includng CESS @1%