ADDN / ALTN AND SPECIAL REPAIRS TO CHEQUERED TILES PATHWAYS AND RAILING AT NDV AND PROVISION OF SURFACE OBSERVATORY AT NAVAL MET OFFICE UNDER GE HADDO, PORT BLAIR

Amount

Rough excavation n.exc 1.5 m deep and getting out in hard/ dense soil complete all as specified and directed.

Excavation over areas n.exc 1.5m deep and getting out in hard/dense soil complete all as specified and directed.

Excavation over areas exc 1.5m deep but n.exc 3m deep and getting out in hard/dense soil complete all as specified and directed.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth in hard/dense soil for foundation, etc or for shafts, wells, cesspits, manholes, pierholes etc n.exc 10 Sqm on plan and getting out complete all as specified and directed.

Excavation in trenches n.exc 1.5m wide and exc 1.5m in depth but n.exc 3m depth in hard/dense soil for foundation, etc or for shafts, wells, cesspits, manholes, pierholes etc n.exc 10 Sqm on plan and getting out complete all as specified and directed.

M & L returning filling in hard/dense soil including spreading levelling watering and well ramming in layers n.exc 25cm thick complete all as specified and directed.

M & L for forming soil embankments including raising (or lowering) earth, spreading in layers n.exc 30cm thick, watering, ramming/rolling and finishing to required size, shape etc n. exc 1.5m high form base complete all as specified and directed.

M & L for removing excavated material (any type of soil) to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

M & L Cement concrete 1:4:8 type D2 (using 40mm graded stone aggregate) as in foundations or mass concrete complete all as specified and as directed.

M & L for design mix M-30 (using 20mm graded crushed stone aggregate) in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns, etc, basement slabs, under-reamed piles and mass concrete complete all as specified and directed.

M & L for design mix M-30 (using 20mm graded crushed stone aggregate) in walls, retaining walls, basement walls, ballast walls and the like any thickness, above top of footings, including attached pilasters and buttresses complete all as specified and directed.

M & L formwork for rough finished flat surface to sides of concrete foundations, footings, bases of columns, rafts and raft beams, sides and soffits (if any) of foundation and plinth beams and similar work, vertical or to batter complete all as specified and directed.

M & L formwork for rough finished flat surface to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc vertical or to batter complete all as specified and directed.

M & L for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M & L for mild steel TMT bars 6mm to 8mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M & L precast cement concrete block masonry exc 10cm width with solid block PCC 1:3:6 type C1 (using 20mm graded stone aggregate) and setting in cement mortar 1:4 all as specified.

M & L for 15mm thick plaster in CM 1:4 on fair face of concrete surface or brick walls finished even and smooth without using extra cement complete all as specified.

M & L for preparing newly plastered wall surface and applying two or more coats of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali and fungal resistance, dirt resistance exterior paint of required shade (company depot tinted) with silicon additives @ 1.43 litre/10Sqm over and including priming coat of exterior primer applied @ 0.90 litre/10Sqm over new surfaces complete all as specified and directed.

S & F PVC (SWR) pipe 110mm bore, single socketed, in any length with rubber ring joints and jointed with approved adhesive laid in trenches or in floors as in weep holes complete all as specified and directed.

Excavation in post holes in hard/dense soil (or similar holes) each n exc 0.5cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering, and removing surplus soil to a distance n.exc 50m and making good surface complete all as specified and directed.

M & L for cement concrete 1:2:4 type B1 ( Using 20mm graded stone aggregate) as in foundation of posts, railing and similar work complete all as specified and directed

M & L for mild steel work as posts and struts in fencing including cutting tops as required drilling holes, notching for wires etc and similar works conforming to Fe-290 Gde E-165 complete all as specified and directed

S & F framed work such as grills, gratings etc with ends of bars shouldered and / or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar works conforming to Fe-290, Gde E-165 all as specified and as directed.

S & F mild steel screw bolt ( Machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, dia of shank 11 to 15 mm and length of bolt exc 5 cm but n. exc 10 cm complete all as specified and as directed.

S & F mild steel round bars 10mm dia and over cut to length bent to shape required including cranking, bending spirally for hoping for columns, hooking ends and binding with MS post of grade Fe-410-W (Gde E-250) quality-A or Fe-290 (gde E-165) complete all as specified and directed.

M & L for applying two coats of synthetic enamel paint over a coat of red oxide primer including preparation of new steel surfaces of any description over 10cm width or girth not otherwise described complete all as specified and directed.

Supply only mild steel galvanised PVC coated chain link fencing 3.15mm nominal dia of GI wire, 1.4mm thick PVC coating and average area of aperture 25sqcm with weight of chain link not less than 2 Kg/Sqm complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provision of binding wires all as specified and directed.

Surface dressing n.exc 15 cm deep in hard/dense soil and getting out complete all as specified and directed.

M & L for hardcore of gauge n.exc 63mm, deposited, spread and levelled in layers n.exc 15cm thick, watered and rammed to a true surface in broken stones or boulders all as specified and as directed.

M & L for 100mm thick PCC 1:4:8 type D2 (using 40mm graded stone aggregate) as in path finish the top surfaces even and rough to receive top layer complete all as specified and directed.

M & L for chequered cement concrete tiles of size 30cm x 30cm x 25mm thick with grey cement and pigments set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface of tile as in floor over and including 20mm thick screed be in CM 1:4 complete all as specified and directed.

M & L for chequered cement concrete tiles of size 30cm x 30cm x 25mm thick on vertical surfaces as in skirtings, dados and risers of steps with grey cement and pigments set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface of tile as in floor over and including 10mm thick screed bed in CM 1:3 complete all as specified and directed.

M&L for PCC 1:2:4 type B0 (using 12.5mm graded stone aggregate) as in coping including necessary fork work complete all as specified.

Surface excavation n. exc 30cm deep and averaging 15cm deep in any type of soil and getting out complete all as specified and directed.

Demolition of precast cement concrete block walling built in CM or cement lime Mortar complete all as specified and as directed.

Taking down cement plaster of any description including raking out joints, hacking for key, scrubbing down with water complet all as specified and directed.

Demolition of cement conrete (Un-reinforced) in ground floors and pavings n.exc 15cm thick (above or below GL) complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for all as specified and directed.

S & F for stainless steel ( Grade 304) railing made of hollow tubes, channels,plates etc, including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories and stainless steel dash fasteners, stainless steel bolts etc of required size on the top of floor or the side of waist slab with suitable arrangement complete all as specified and directed.

RADHA GOVIND CONSTRUCTION

V M YOUSUF

NAWAZ CONSTRUCTIONS

M/S AMK CONSTRUCTIONS

CHANDER SEKER ENTERPRISE

Nirman Construction Company

M/s Prem Enterprise

M/s Kamal Electrical

P Babu