KMC/WS/IGWTP/082/25-26, DT-10/12/2025

PART-A

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 asrequired complete. (a) Depth of excavation not exceeding 1,500 mm.

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. (b) Depth of excavation for additional depth beyond 1,500 mm. and upto3,000 mm. but not requiring shoring

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.(c) Depth of excavation for additional depth beyond 3000 mm. upto 4000mm. excluding cost of shoring as necessary

Extra over the corresponding item of earth work forremoving semi liquid mud or slushy earth by iron pans, buckets etc. (This item is to be done with specific approval of Engineer-in-charge)

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

Hire and labour charges for shoring work(including necessary close plank walling, framing,Eucalyptus/Jhou bulla piling, strutting etc)complete as perdirection of the Engineer-in charge for foundation excavation (verticalsurface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge).(b) For additional depth beyond 1.5 m. and upto 3.00 m

Hire and labour charges for shoring work(including necessary close plank walling, framing,Eucalyptus/Jhou bulla piling, strutting etc)complete as perdirection of the Engineer-in charge for foundation excavation (verticalsurface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge).(c) For additional depth beyond 3.00 m.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) In ground floor including roof.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m In ground floor including roof (b) above 150 mm. thick

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 formaximum working pressure of 10 kg/cm... and body tested 15 kg/cm..., flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device.Diameter in mm 400

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 formaximum working pressure of 10 kg/cm... and body tested 15 kg/cm..., flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device.Diameter in mm 300

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 formaximum working pressure of 10 kg/cm... and body tested 15 kg/cm..., flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device.Diameter in mm 150

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]400mm 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]150mm dia.

Holding down bolt with nut including 100 x 100 x 6 mm plate washer at bottom fitted complete and packing the hole with cement concrete or cement grout as directed. (ii) 20 mm dia bolt. (a) 300 mm long

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 400

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

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 150

Sypply 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 thick-ness 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 Diameter in mm (Internal) 300

Dewatering by pumps 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. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor]

SUPPLY INCLUDING CARRIAGE, LOADING UNLOADING AT SITE OF MILD STEEL LATES E250 CONFORMING TI IS 2061-2006) THICK 10MM.

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. Thikness in mm 5mm to 8mm thick plate

Field welding of machined ends of pieces of M.S pipes and specials forlaying the same inside trench/over ground by means of electric arc welding as per relevant ISspecification using standard electrodes including edgepreparation 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 ]Throat thickness in mm 8mm

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length,fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. I) For structural members of specified sections weighing less than 22.5 Kg./m (3rd Corrigenda & addenda dated 04.06.2018)

Labour Rates Per Diem : 13)Santras. Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Fitter Mechanic. Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Fitter Mechanic (Helper). Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Mazdoor (Male). Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Coating of 'Epoxy' Resin of thickness not less than 160 micron with a lowviscosity,crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine 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 damagefrom chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [This item will be operated on prior permission from the concerned SE/Dy Chief Engineer]

SCRAPPING THE TOP LAYER SAND MEDIA CONSISTING OF MUD OR MUDDY SAND, ALGAE MOSS ETC. FROM FILTER BEDS AND CARRYING THE SAID SCRAPPED SAND BY HEAD LOAD AND TIPPING WAGONS TO A DISTANCE WITHIN 300 METERS FROM FILTER BED AND UNLOADING THE SAME AND STACKING PROPERLY AS PER DIRECTION OF E.I.C. (PAYMENT SHOULD BE MADE ON THE BASIS OF STACK MEASUREMENT).

SCRAPPING THE 2ND LAYER OF SAND OR FIRST LAYER (WHERE THERE IS NO CLAY, ALGAE, MOSS, MUD ETC ) FROM FILTER BEDS AND CARRING THE SAID SCRAPPED SAND BY HEAD LOAD AND TIPPING WAGONS TO A DISTANCE WITHIN 300 MTRS. FROM FILTER BED AND UNLOADING THE SAME AND STACKING PROPERLY AS PER DIRECTION OF E.I.C (PAYMENT SHOULD BE MADE ON THE BASIS OF STACK MEASUREMENT )

CUTTING SAND (MIDUM/COARSE SAND) FROM FILTER BEDS COLLECTING, CARRYING AND REMOVING BY HEAD LOAD OR/AND TIPPING WAGONS AND DUMPING IN STACK NEAR THE IDENTIFIED SAND WASHING MACHINE SITUATED AT A DISTANCE NOT EXCEEDING 300

CUTTING THE DIRT/JUNGLES & WASSED COARSE SAND/NEW MEDIUM COARSE SAND THROUGH WATTER JET TYPE SAND WASHING MACHINE AND STACKING IN HEAPS/STACKS INCLUDING CUTTING & CATRRING SAND FROM ALL WORK SITE OF SSFB AREA AT IGWTP TO THE IDENTIFIED SAND WASHING MACHINE AFTER WASHING OF SAND THE TURBIDITY OF THE WASHED SAND MUST BE WITHIN 7000PPM

Brickworks,Concrete Works etc 10?. Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes.(i) Pakur Variety. (3rd Corrigenda & addenda dated 04.06.2018)

Brickworks,Concrete Works etc A. BRICK WORKS 7. Brick work with 1st class bricks in cement mortar (1:4) (b) In superstructure, ground floor. ( 3rd Corrigenda & addenda dated 04.06.2018)

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

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](ii) With 1:4 cement mortar (a) 20 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.

Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles including roughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc. (B) Wall. With Sand Cement Mortar (1:3) 15 mm thick & 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg/Sq.m & joint filling using white cement slurry @ 0.20kg/Sq.m. (b) Area of each tile above 0.09 Sq.m (i) Coloured decorative. Note: 2. Add extra for each addl, floor over the rate for item 35 & 36 of subhead A. (i) upto 4 th floor-Rs 5/ Sq.m (i) above 4 th floor-Rs 6.25/ Sq.m

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 based on the basis of measurement of finished quantity of work.(a) With earth obtained from excavation of foundation

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

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.3.5 Fabricating M.S. pipes of different diameter in shop out of 8mm to12mm thick M.S plates supplied depart-mentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding as per relevant I.S. specification - longitudinal and circumferential, as necessary, usiug standard electrodes including edge preparation, electricity charges and hydraulic testing of the fabricated piece all complete as per speci-fication and direction of the Engineer-in-Charge. [The Engineer-in-Charge shall approve the electrodes for arc weldingbefore use.]a) Diameter from 450 mm & upto 600 mm.i) 8mm thick plate.

Sum of Basic Prices (Sl No-1 to 42)

GST @ 18% on the Sum of Sl. No-43

LWC @ 1% on the Sum of Sl. No.43 and 52