Kolkata Metropolitan Development Authority Tender

Supply & Fixing of Cast iron double flanged Non- Rising Spindle Sluice Valve generally confirming to IS 14846 having body door /dome/Bonnet and cover of cast Iron Gr FG 260, Spindle of IS 6603, Gr-12 cr-13, spindle nut & seat rings are of Gunmetal as per IS:318 LTB 2. Flanges flat faced and drilled to IS:1538 Part IV & VI, Valves are suitable for maximum working pressure of 10/16 kg/sqcm (seat test) and body tested to 15/24 kg/sqcm 350 NB and above valves should be provided with enclosed gear box and antifriction device for ease of operation. All the valves should be tested by closed end method. Size-250mm(Rate for PN 1.6 ratings)

Supplying empty Cement bags in good condition.

Filling empty Cement bags with dry earth or sand,stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete but excluding cost of sand and gunny bags.

SUPPLY OF DIFFERENT MATERIALS AS PER APPROVED SPECIFICATION Silver Sand Stacked at site. (Cement Bag-50 Nos* Volume-.0354 cum=1.77 cum)

Cost for repairing of vertical gate shutter of Dam / Barrage including dismentling the damaged portion at lower part (skin plate, horizental/ vertical girder/stifner etc as per IS : 2062 - 2011 /latest revision) not more than 25% of gate hight from bottom by gas cutting and fitting, fixing and fabricated by welding as per direction including cost of Materials, Machinaries , Manpower, Cutting, ligning, nchoring, Welding, Finishing, Consumables, Carriage and all overheads with all leads and lifts complete as per specification (without paintina)Width of Gate shuteer size upto 12 metre

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-in-charge 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 charge 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 specification 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 structural members weighing less than 22.5 kg./may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no separate payment being made for these items, as per direction of Engineer in charge.The rates are considered for a height for a erection 8m./2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4 m. beyond initial 8 m. or part thereof. (i) For structural members of specified sections weighing less than 22.5 kg./m

Cleaning gates / hoists / embedded parts/lifting beams etc, to expose fresh metal surface for painting by sand blasting method as per specifications including cost of all materials, labour, machinery, scaffolding, etc., complete with initial lead for sand upto 1 km and all lifts.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

Painting of embedded parts, all types of gates, stoplogs and barscreen/ gratings etc on prepared surfaces with one coat of inorganic zinc silicate primer (airless spray preferred)70+/ - 5 micron and two super coats with a total thickness of 300 microns (each 150+/- 5) of solventless coaltar epoxy paint each coat 150 microns ( total 300 microns) including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts

Add GST @ 18%

Added:- @ 1% as labour CESS