REPAIR REPLACEMENT OF ROOF SHEETS, VALLEY GUTTERS, RAIN WATER PIPES, CHAJJA PLASTER, BRICK WORK AND CERTAIN MISC WORKS IN RESIDENTIAL AREA AT NPOL KOCHI

Amount

Dismantling plain or corrugated steel sheeting, any gauge and thickness, including Nainital or similar pattern roof coverings, complete all as specified and directed.

M&L Pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified, complete all as specified and directed.

M&L Pre-painted galvalume aluminum zinc coating GI based plain steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding (eaves board) to wall fixed with self tapping screws as specified and directed.

S&F Plain, galvanised, mild steel sheeting 0.63mm thick, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 as specified and directed.

Demolition of brick work or stone / boulder masonry, built in cement mortar, including all quoins, arches, pillars etc but excluding ashlar facing, dressed stone work and precast concrete articles etc, complete all as specified and directed.

M&L Precast cement concrete solid block masonry type 1:3:6 using (16mm graded aggregate) exc. 10 cm in width and setting in CM 1:6 complete all as specified and directed.

Taking down cement plaster on brick or concrete surfaces including raking out joints, hacking for key scrubbing down with water etc complete all as specified and directed.

M&L Rendering 15 mm thick in cement plaster 1:6 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed

M&L Preparation of new plastered surfaces and applying two coats of cement base paint complete all as specified and directed.

M&L for preparing of old surfaces and applying two coats of cement base paint on walls all as specified and directed.

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

S& F rolled sections as in main and cross beams, columns, hip and jack rafters; purlins where connected to common rafters of angle, pipe sections FE 290 etc 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 baluster; walk ways; railings; framed work or water tanks and similar work conforming to Fe 290 gde E 165 complete all as specified and directed.

M&L painting to new steel and iron surface exc 10 cm width or girth and applying two coats of synthetic enamel paint over 1 coat of primer including preparation of surfaces complete all as specified and directed.

M&L for preparation of old painted steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint all as specified & directed by Engineer-in-charge.

Demolition of cement concrete (unreinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) complete all as specified and directed.

M&L for 75 mm thick, PCC 1:3:6 Type C1 (using 20mm graded stone aggregate), finished even and smooth without using extra cement as in plinth protection incl joints filling complete all as specified.

Demolition and breaking up drain pipes (SGSW, AC or RCC pipes) set in CM 150mm bore including PCC complete all as specified as directed by Engr-in -Charge.

S&F 150 mm salt glazed stone ware drain pipe laid in trenches and jointed complete all as specified and as directed

S&F in repair PVC (SWR) 110 mm bore pipes single socketed, in any length with rubber ring joints laid in trenches or in floors complete all as specified and directed.

S&F in repair PVC (SWR) 75 mm bore pipes single socketed, in any length with rubber ring joints laid in trenches or in floors complete all as specified and directed.

S&F in repair PVC bends 110 mm bore complete all as specified and directed.

S&F in repair PVC bends 75 mm bore complete all as specified and directed.

M& L concrete bed to drain pipe in cement pipes in cement concrete 1:3:6 Type C2 including packing and hunching against the sides of pipes after they are laid and tested 200mm bore complete all as specified as directed by Engr-in -Charge.

S&F Reinforced concrete 200 mm bore pipes, class NP2, laid and jointed complete with collars

M&L Surface excavation n.exc 30 cm deep and averaging 15cm deep and getting out soft/loose soil complete all as specified and directed.

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

Supply and laying fine aggregate 50mm thick spreading and levelling in layers n exc 25cm thick incl consolidation complete all as specified and directed.

M&L Machine pressed precast concrete interlocking paver block (shape as per sample in AGE (I) sample room), with grey cement and pigment and size confirming to IS 15658-2006 of 60 mm thickness M-35 Grade complete all as specified as directed by Engr-in- Charge

M&L PCC 1:3:6 Type C-1(20 mm gardded aggregate) as in copings including necessary form work, complete all as specified and directed.

ELAN ENGINEERS (BID ID -3202986)

PARAMBIL ENTERPRISES (BID ID -3206647)

ZOOM ENTERPRISES (BID ID -3201476)