KMC/P_D/55/2025-26/R2 (3rd Call)

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Hire and labour charges for shoring work(including necessary close plank walling, framing, Eucalyptus/Jhoubullapiling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation(vertical surface are incontact with supportedearth is tobemeasured.) (This item should be executed on specific direction of the Enginner in charge). (a) Depth upto 1.5 m.

Cutting & picking up existing metalled black top portion of road surface to an average depth of 300mm by using jack hammer with all necessary tools & plants including screening the serviceable materials & stacking with in a lead of 75mtr all complete as per direction of the Engineer in charge.

Lowering any type of Ductile Iron (DI) pipes & specials and laying along trench at any depth as per specification and direction of the Engineer-in-charge, ( laying over ground, the rates shall be, reduced by 10% and the rates so reduced shall be inclusive of cost of all sorts of holding arrangements] 300 mm dia

Carriage of CI/ DI/ ERWMS/ AC pipes including loading into truck at the lifting point, unloading at destination and stacking properly in godown or yard etc. as directed (including carriage by head load upto 30 metres at each of the two points. The rate covers all the above operations, actual transport all complete) Upto 5 KM: (876) For 300 mm Dia Pipe

Gas cutting of M.S. pipes and/or M.S. plates of different thickness all complete as per specification and direction of the Engineer-in-Charge. 8 mm thick plate.

Field welding of machined ends of pieces of M.S pipes and specials for laying the same inside trench/over ground by means of electric arc welding as per relevant IS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel, lubricant, and all other tools and plants all complete as per specification and direction of Engineer-in-charge. [Engineer-in-charge shall approve the electrodes for arc welding before use ] 8 mm

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. 300 mm dia.

Ductile iron Single Chamber type air release valve having small orifice elastic ball resting on gun metal orifice nipple large orifice vulcanite ball seating on moduled seat ring, valve with built-in-Kinetic features, isolating sluice valve mounted in horizontal position and operated by a metre wheel gearing:inlet faced and drilled to IS 1538 Table 4 & 6. valve suitable for maximum working pressure of 10 kg/CM2 80 mm

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness 20mm -22mm. 300 mm dia.

Supply of E.R.W.M.S. (Electrical Resistant Welded M.S.) black pipe of ISI mark as per relevent IS Specification (heavy quality) having wall thickness not less than 8 mm. [N.B.: The rates for supply of TATA Make pipe will be arrived at by adding 20% of the corresponding rates ]

Coating of "Epoxy" resin of thickness not less than 160 micron with a low viscosity, crystallisation- resintent epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a poly amide or amido poly amine or any other suitable hardener. it shall react with epoxy resin at normal ambient temperature, suitable for solvent -free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion as well as damage from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to be satisfaction of EIC. [This item will be operated on priorb permission from the concerned SE/ Dy.Chief Engineer]

Coating of "Food Gr. Epoxy" resin of thickness not less than 240 micron with a low viscosity, crystallisation- resintent food grade epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a poly amide or amido poly amine or any other suitable hardener. it shall react with epoxy resin at normal ambient temperature, suitable for solvent -free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion, give anti-fungal properties, as per guideline of FTA and USDA as well as damaged from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to be satisfaction of EIC. [Thisitem will be operated on priorb permission from the concerned SE/ Dy.Chief Engineer]

Lowering,fitting, fixing of all type of valves in proper position and alignment using chain pulley block or crane (for diameter above 250 mm) by providing temporary support as required gasket, nuts & bolts etc. all complete as per specification & direction of the Enginer in charge. 300 mm dia.

80 mm dia.

Hydraulically testing of C.l./D.I/A.C pipe lines in sections, under a head of water not less than 60m (6Kg/Cm2 .pressure) or above as per specific requirements by filling the main with supply of water including supply of all specials and equipment like pump sets, gauges, end caps blank flange etc. all complete as per specification and direction of the Engineer-in-charge. [After successful completion of test, removal of ancillary specials, equipments, pluggin. 300 mm dia.

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/ ltr within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification & direction of the Engineer in charge. 300 mm dia.

Hire and labour charges for 100 mm dia bamboo railing on Jhau/Eucalyptus post 1.40 m above G.L and 0.60 m below G.L tied strongly with bamboo railing with coir rope, digging holes for posts in any sort of soil/ concrete surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer in charge after removing the barricade.(Cost of restoration would be paid separately). (a) 100mm. dia bamboo railing & 150mm. dia Jhaubullah/ Eucalyptus posts @ 1.80m apart (i) Railing with 4 rows.:

Supplying sign-board made of 25 mm thick sal plank with frame on all side of sal batten 50 mm x 32 mm with nailed on post 3.15mx100mmx100mm and fitting fixing such with digging holes of dia 300 mm and depth 750 mm in all sorts of soil and repacking and consolidating the gap around the post with cement concrete (1 : 3 : 6) painting 2 coats including cost of nails, bolts and nuts etc. complete in all respect as per direction of the Engineer-in-charge.Payment of concrete and painting to be made separately. (ii) 900 mm. x 600 mm. size of board.:

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal /Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge

Signalling arrangements at both sides of site to avoid any accident during working period 4 nos red flugs during sunlight in 4 corners & 2 red light in other than sunlight.

Hire & labour charges for diesel generating set for lighting including fuel, 300M wire,11 points with 200Watt bulb with post for hanging & maintaining the same for day & night for the period. (30+6+6)

Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line taking every detection against damage of S.W. pipe line, electric cable etc. as under ground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per direction of the Engineer in charge.

Hire charges of moveable crane with fuel and manpower having load handling capacity upto 14 MT with the 45 deg. moveable arrangement & the bottom length of 40 feets for loading & unloading of various materials/ accessories of Water Supply works. For minimum engagement of 8 hrs. in a day:

For beyond 8 hrs. of working

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) a) with earth obtined from excavation of foundation

Dismantling and refixing drain pipe including cutting trench and refilling the same. 100 mm

Dismantling yard gully with gratings. 300 mm

Refixing yard gully including necessary cement brickwork (4:1)and13mm thick cement plaster (2:1) etc. complete including mending good all damages. (Cement work will be paid seperately). 300 mm

Renewing gully grating. (i) 375 mm X 300 mm X 40 mm X 18 kg

(ii) 375 mm X 300 mm X 75 mm X 25 kg

(iii) 450 mm X 375 mm X 150mm X 40 kg

(iv) 500 mm x 400 mm X 150 mm X 75 kg

(v) 600 mm x 450 mm X 100 mm X 80 kg

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) 250 mm to350 mm dia pipe

Shifting of exixting Utulities & Restoration ( WBSEDCL/CESC, BSNL, etc. )

Estimated amount