Provision of Main Gate Shed at NOFRA-I under GE Gomantak Vasco

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out from soft/ disintegrated rock complete as as specified and directed.

M & L for plain cement concrete (1:3:6), using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete all as specified.

Removing excavated material exc 250 m and nexc 500 m deposinting where directed.

Mild steel work as compound griders and stanchions, lattice grinders,aerial masts, staring for water tanks and the like including caps,bases,splices etc built up from two or more beam or channel sections or angles with plates,including all lattice bars,stiffeners, gusset plates etc{FE-410-W(Gde-E-250)Quality A} including cutting, notching,drilling, fitting,riveting and/or welding orconnecting with bolts and nuts including rivets or bolts and nuts),proving and fitting angle cleats, fish plates,gusset plates etc. Structural steel to be painted one shop coat of Zinc chromate primer paint including prepration of surface at contractors workshop before fabrication complete.

S&F Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections, prepressed to form semicircular surface) including distance pieces, cleats etc complete all as specified and directed.(Height approximately 6.50M above GL)

M&L for preparation of new steel surfaces and apply two coat of synthetic enamel Anti corrossive paint over a coat of anti corresive primer.

S & F 20mm dia mild steel Bolts,screws and nut etc purpose made with hexagonal or square head one end screwed the other or screwed both ends each screwed end to be fitted with washers the other end enlarged and jagged or lewised n.exc 15cm long complete.

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet /(Prepressed to form semicircular surface) 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified for curved roof all as specified and as directed

S&F 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to MS pipes

Supply &Fixing 200 mm dia semi circular PVC gutter complete all as specified & directed.

S&F 100mm stack clamps out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof

S&F 110 mm bore PVC (SWR) bends

S&F Tie bars with screwed ends, nuts, washers and mild steel plates for walls, chimneys, roofs, arches, etc. king rods and straining bolts confomiing to Fe- 290 Gde-E-165

Demolition of cement concrete of any description and in any position not otherwise specifically provided for

M & L rubber moulded chequered cement concrete tiles 30cm x 30cm x 25mm thick, with grey cement and pigment set, jointed and pointed in near cement slurry in floors over 20mm screed bed in CM ( 1 : 4)

M&L PCC 1:2:4 type B-1 using 12.50mm graded stone aggregate as in coping, bed plate etc complete.

M/S Narendra Construction

M/S jvsr constructions

Mehta and Co.

Leela Enterprises

STAR FABRICATION

M/s Gayatri Contruction Co.

M/s J.D. DESAI

GANGA SINGH & CO

M/S G.N.POWAR