WBPHED/EE/TD/NIeT_30/2024-2025 (2nd call for Sl. No. 01, 02)

Supply and delivery of CIDF sluice valve (Special type) PN-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest amendments having body dome / bonnet and cover of C.I.Gr-F.G 210 spindle of IS-6603 G.R- 12/Gr-13 non-magnetic, nuts seat rings are of Gunmetal 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.

I) For distribution line:

Supply of G.I. pipes of TATA make including necessary sockets (heavy type) (For costal area).

a) 150 mm dia. (heavy Quality) ( For Road Crossing )

Labour for boring (horizontally) through any kind / type of soil for road crossing of laying distribution system including hire charges and labour for supplying of suitable diameter crossing up to full width of road with necessary tools, tackles including necessary arrangement for boring and pushing required including fitting, fixing, jointing, pumping out accumulated water, lighting arrangement, sealing of two casing ends by B//W (1:4) etc. complete as per direction of ElC.

150mm dia

Dismantling all type of plain cement concrete works, stacking serviceable materials of site and removing rubbish as directed within a lead of 75mtr. for laying all dia pipe line in ground floor, upto 150mm thick.

a) upto 150mm thick

Restoration of cement concrete pavements, after laying pipe line into the trenches, restoration to be done by laying cement concrete work (1:2:4) over a brick flat soling over 15 cm thick sand filling for cutting portion only or as per direction of Engineer-in-Charge.

Cement concrete with graded jhama khoa (30 mm. size) excluding shuttering. In ground floor and foundation.

a)1:3:6 proportion.

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.

With Pakur variety

Hire and labour charges for shuttering with centering and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor).

a) 25 mm. to 30 mm. shuttering without staging in foundation.

Making holes in two sides of wall of culvert/drain or any other structures in any places for laying any dia pipe line within structures intwo sides of wall of culvert /drain /any structure at any places and mending good damages all complete as per direction of EIC.

Supplying HDPE (Materials grade PE-100) pipes conforming to IS:4984-1995 with latest revision and amendments, if any, with necessary HDPE specials, (excluding the cost of CIDF sluice valves) including labour charges for earthwork in excavation in any kind of soil including mixed soil with boulderr road road sub-grade and aits flank but excluding moorum layerites or sand stone/ hard rock cutting with chisel required including cutting road flank / brick pavement etc. without damaging the existing telephone / electrical cable lineetc. (in case of damage of any type of cable line by the agency at the time of excavation necessary damarage charges as applicable by the respective authoritywill have to be borne by the agency at his own cost) upto the depth (av.) so as to maintain 1.1q0m earth cushion from top of yhe pipe upto GL including loading unloading carrying lowering laying lifting fixing carefully pipes, valves and specials with the all types of jointing materials in trenches maintaining prper levels and alignmentjointing the pipes and specials by butt welding adopting suitable method (But weld jointing with the help of hydraulic tack and triming machines, Hilters etc. for reaching at necessary melting point of HDPE pipe so that joint can be monolithic) so as to facilitate the maintenance of pipe line locally as per conventioonal method in future.

(A) Pressure Rating : PN 6

(i) Laying of pipe line including cost of pipe & fittings / specials but excluding cost of valves.

a) 90 mm (OD)

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).

B) For UPVC/HDPE Pipe

b) 90mm dia (OD)

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).

B) For UPVC/HDPE Pipe

a) 90mm dia (OD)

Drum Sheet walling 1.40m. (av.) high on sal-bullah / Eucalyptus bullah piling 10cm. Dia. And 3.25m. Long driven 1.75m. (av.) below G.L. and 75cm. Centre to centre including fitting fixing 3 nos. of half b ullah pieces (from 10cm. Dia.) and drum (empty bitumen)sheet (approved condition) of height 1.50m. cuttin g and straighten ing drum sheet (each joint must have lap length of min. 50mm.) including cost of necessary nails, b olts, nuts etc. and providing 2 to 3m. long half bullah ties of 10cm. dia. @ 2.25m. centre to centre fixed with 10cm. dia. b ullah posts driven 1.50m. b elow G.L. including cost of all materials and one coat of coal tarring to all bullah etc. complete as per direction.

i) Using Eucalyptus bullah,

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

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

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

Submission of complete detailed drawing of distribution system, rising main etc. after execution of work showing position of different types of valves, fittings/specials sluice valve chamber with location, node to node wise in the sanctioned drawing as completion drawing of the water supply scheme as per direction and satisfaction of EIC. The list of dia wise fitting/specials, different pipes ;of valve used in the rising main should be shown in the completion drawing (not separate) with verified by SAE & AE in-charge of the scheme. The above drawing will be submitted in 5 copies.

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