Kolkata Municipal Corporation Tender

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 thickness not less than 5 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)80

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 thickness not less than 5 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)

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 80

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 50

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 80

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness - 20mm -22mm NB Diameter in mm 50

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 80mm dia.

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket.nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 50mm dia.

STRUCTURAL STEEL (MS) ANGLES, JOISTS, CHANNELS, FLATS ETC. (E 250 CONFORMS TO IS:2062 & 808) (A) UP TO 200MM SIZE.

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 M.S. plate by means of electric arc welding as per relevent IS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel,lubricant, and allother 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 5mm to 6mm

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). (vi) 32mm dia

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). (vii) 25mm dia

Supplying, fitting and fixing bib cock or stop cock. (g) Supplying, fitting and fixing alloy iron with brass spindle bib cock/ stop cock of approved brand and make, spray painted and tested to 21 kg per sq.cm. (i) 15 mm

Original Works 6 Supplying P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer c)1500 litre capacity

original works10 Labour for hoisting plastic water storage tank. (i) Upto 1500 litre capacity. (a) Upto 1st story from G.L.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

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

Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation (a) 1:3:6 proportion

Hire and labour charges for shuttering with centering and necessary staging upto 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).(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof).(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.Notes:- For shuttering in shell roof, grid roof with vertical faces folded plate, arched roof the rate in 36 (a), 36 (b) & 37 (c ) of subhead B above to be increased by 100 % . For grid roof with splayed faces, rate is to be increased by 150%.

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

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](iii) With 1:3 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.

Clearing compound premises of shurbs, plants, jungles etc. by cutting andremoving as directed (Specific permission of Engineer in- Charge prior to execution will be necessary).(Payment to be made on area cleared)

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 BS5493 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]

Estimated amount

Add: 18%GST

1% LWC