Water Resources Development Directorate Tender

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

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar (c) 15 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Painting with ready mixed Black Japan of approved make and brand including smoothening surface. b) Two Coats

Earth work in excavation of field trenches as per design section and alignment for laying of pipe lines (PVC, RCC, ACP etc.) upto a depth of 1500 mm all sorts of soils including removing, spreading or stacking extra earth as directed. The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete

Earth work in filling in trenches after laying pipe lines (PVC, RCC, ACP etc.) with good earth obtained from excavation of field trenches in layers not exceeding 225 mm, including watering and ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished quantity of work.)

Jointing plain end of 300 mm /200 mm /150 mm. Dia. M.S. special bend from surge tanks / shore manifold with underground R.C.C. pipe lines of 450mm. / 300mm. / 225 mm. dia. by jamming with cement concrete (1:2:4) with 10 mm. down stone chips mixed with approved water proofing compound (5% by weight of cement) of adequate thickness to provide a leak proof joint including carrying the special bend from departmental store to site, curing etc. as per direction of Engineer-in-Charge.

Plugging the open end of 450mm. / 300 mm. / 225 mm. / 150 mm. dia. RC.C. pipe line with cement concrete (1:2:4) with stone chips 20 mm. down mixed with water proofing compound(5% by weight of Cement) of approved quality including curing etc. complete as per direction of Engineer-in-Charge. (iii) 225mm. dia. R.C.C. pipe

Fitting and fixing of M.S. / G.I. / C.l.accessories and special in pipe line (accessories & special to be supplied departmentally) including supply of jointing materials viz.rubber insertion, nuts & bolts, havoc Zink (Zink Oxide) complete as per direction of Engineer-in-Charge. (iv) 150mm. dia. C.I.sluice valve

Repairing of leakages in collar joints of R.C.C. Pipe line by opening the joints fully by chipping out the old morter, cleaning the pipe recesses and collar properly, and thereafter positioning and levelling the pipes and collar, filling the annual spaces of joints with jute braiding dipped in cement slurry and grouting with (1:2) cement morter mixed with approved quality water proofing compound (5% by wt. of cement) and curing all complete as per direction of Engineer-in-Charge. (c) 225 mm dia. R.C.C. Pipe.

Taking out the damaged R.C.C. Pipe and two collars by dismantling two joints carefully, carrying and stacking the same near the pump house, carrying new pipe and collars from the field stack, lowering the same within the trench, properly positioning and levelling on bricks laid flat, between collar and the pipe joints with jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved quality water proofing compound (5% by weight of cement) and curing all complete as per direction of Engineer-inCharge. (c) 225 mm dia. RC.C. Pipe.

Taking out the condemmed 150 mm dia. N.T.P.fT.P'/ Alfa-Alfa valve from 150mm dia. M.S./G.I. pipe of existing spout chamber by careful chiseling with least disburbance to the existing system of structure upto required limit and fitting, 11 fixing of new one with 150 mm dia. M.S./G.I. pipe in proper position of the spout chamber using havoc zinc jute so as to make the joint leak proof including mending good all damages and returning back the condemned materials at store as per direction of Engineer-in-Charge.

Patch/Doubling works complete with M.S. plate including welding, gas cutting, fitting, fixing complete. (c) Electric welding charges upto 8 mm M.S. plate, M.S. channel etc. and other member of the barge including hiring charges of all tools and plants. [For welding of riser pipe with MS standard plate flange to fix the Alfa Alfa valve.] [For the connection of surge tank & MS connection pipe.]

b) Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 450 / 300 /225/ 150 mm dia. R.C.C. Pipe Line with split bamboo, wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.I.C. (This item includes cost of earth cutting & back filling of trenches and required materials for cleaning but excluding the cost for taking out 1 full length of RCC Pipe by dismantling of 2 nos. of Collars & refitting the RCC pipe with new two nos. collar). iii) For 225 mm dia. RCC Pipe

For Water transmission Arrangement of Tube well 3% extra over the schedule rates, save & except for earth work in excavation & filling works, will be allowed for extra carriage by cart / boat / head load besides initial transport by truck etc. [Excluding Sl. No. 1.07 &1.08]

Add GST @ 18%

Add Labour Welfare Cess @ 1%

405/N Mira DTW

Cleaning of annular space (1.2 metre dia) arround housing pipe by excavation for exposing the top of gravel layer, including making shoring and shuttering arrangement as necessary and removing the spoils to a safe distance all complete as per direction of the Engineer-in-Charge. (Measurement to be taken as depth excavated from floor level of pump house).

Withdrawal of electro motor submersible pumping set of following capacities from within the tubewell housing pipe of the following length by using all necessary requisites tools and plants and carefully as per direction of Engineer-in-Charge and stacking the same properly at site within the tubewell premises (a) 100/150/200 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

Labour charges & other charges for pouring water (if required in side the tubewell for operation of air compressor during chemical treatment from outside the surface by any means including drawing pipe line or excavation earth channel hire charges of tools & plants etc. complete.

Supply of acid component including all taxes and charge and carrying cost at site A) Sulphamic Acid

B) Sodium Hexamata Phosphate

C) Calcium hypocholirate

Labour Charges for pouring the acid in requisite quantities in perforated polythine one cloth bag & submersing the bags within the tube well at different stages of strainer with the help of string overnight, weeping and their mixing and string the acid with surge block by air Compressor (including back pressure)

Development of tubewell with not less than 350 cfm 150 psi capacity air compressor by surging and back washing for minimum 12 hrs including lowering of eduction pipe, air pipe etc. upto required depth as per direction of Engineer-in- Charge including hire and transport charge of Air compressor and other necessary tool and plants and also cost of fuel / lubricants for air compressor.

Jointing water proof cable with the leads of the motor including soldering with requisite water proof insulation and proper jointing compound / vulcanised rubber tape so that water proof insulation is assured

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools and plants by lowering the same within the tubewell housing pipe upto the following depth as per direction by fitting, fixing column pipes and other accessories, fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S. clamps over the top of housing pipe, binding the motor cable with each column pipes and drawing cable upto pump controller/starter point including opening out of the top cap of housing pipe of the tubewell and testing of motor both in loading as well as in unloaded condition before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants.) (a)100/150/200 cubic metre per hour capacity electro motor (i) Length of pump assembly not exceeding 18 metre length. (ii) Length of pump assembly of any length exceeding 18 metre

Carriage of Departmental materials from the Deparmental Store to the work site and return back the damaged/replaced and unused materials to store including loading & unloading complete at both sides by Tempo van Rikshaw/Mini Truck etc. upto 25 Km distance in one way. iii) Pump-Motor Set (this item is applicable only for burnt/damaged Pump-Motor.

For Water transmission Arrangement of Tube well 3% extra over the schedule rates, save & except for earth work in excavation & filling works, will be allowed for extra carriage by cart / boat / head load besides initial transport by truck etc. except 4., 4.01& 4.02

Add.- G.S.T. @ 18.0%

Add.- L. W. Cess @ 1.0%