SPECIAL REPAIR TO ROOF IN BLDG NO P 78 AND P 79 AND PROVN OF CERTAIN SANTIONED WORKS UNDER GE GANGTOK

Amount

Dismantling old PGI/CGI sheeting any gauge, thickness, including Nainital. Sikkim or similar pattern roof/facia etc complete 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.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc, including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories complete all as specified and directed.

Dismantling wall and ceiling board (fibre pulp, insulation etc) or insulation boards any thickness including cover fillets complete all as specified and directed.

M&L for pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 MPa as in roof covering fixed with self tapping screws / L type or J hooks complete all as specified and directed.

M&L for pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of an colour having tensile strength of 550mpa as in roof for ridge ,Eve board etc fixed with self tapping screws/J hooks complete all as specified and directed.

S&F rolled section as in main and cross beams hip, jack rafters, hollow section purlins, where connected to common rafters and running rails and guides for sliddinng doors fixed with angle cleats or other connecting plates of grade Fe-410, complete all as specifed & directed.

M&L for MS flat iron bent to shape, holes drilled etc complete as in hold fast & wind ties etc including one coat of red oxide paint complete all as specified and directed.

S&F anodised aluminium snap grid frame work size 605x605mm for false ceiling including Hangers 6mm dia. G.I. (upto 120mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40x3mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified and as directed.

M&L for 4 mm thick Non asbestos fibre cement building boards fixed or laid/inserted to Aluminium framework with screws complete as as specified and as directed.

Dismantling timber scantlings 40 sq. cm and over in section unframed work, in any position complete all as specified and as directed.

M & L for 2nd class hard wood timber scantling of any size or in any position such as truss, purlin etc and if in repairs, to replace old and decayed timber (including piecing, scarfing, etc, of old and new timbers if required) and removing defective portions to store complete as as specified and as directed.

S&F for 110 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall, laid in trenches or in floor with all necessary clamps, bolts, bends, Tee etc. complete all as specified and as directed.

S & F 110 mm bore PVC (SWR) bend of any radius for PVC (SWR) pipes, fixed to walls or fixed to steel gutter complete all as specified and as directed.

M & L for preparation of new or previously untreated steel surfaces of any description, not otherwise described, over 10 cm width or girth and applying two coats synthetic enamal paint (1st grade quality) over one coat of red oxide primer complete all as specified and as directed.

M & L for preparation of old or previously treated steel surfaces of any description, not otherwise described, over 10cm width or grith and applying one coat of synthetic enamal paint (1st grade quality) over old steel surface complete all as specified and as directed.

Surface excavation n. exc. 30cm deep and averaging 15cm deep and getting out in soft / loose soil complete all as specifed.

M&L for Hardcore of gauge n. exc. 63mm deposited spread and levelled in layers n. exc. 15 cm thick watered and rammed to true surface complete all as specified and directed.

M&L for 75mm thick PCC type C-2 (1:3:6) (using 40mm graded stone aggregate) in plinth protection path/hardstanding finished cement concrete surfaces fair and even including forming construction joint filled with CM (1:6) all as specified & directed.

M&L for 100 mm thick cement concrete (1:2:4) type B-2 (using 40 mm graded stone aggregate) as in hardstanding / flooring / Path etc. and finishing the surface even and fair etc. complete all as specified and directed.

M&L Lacquer coated coloured chequered cement concrete tiles 200mm x 200mmx 25mm/ 300 x 300mm x 25mm thick set, jointed and pointed in neat slurry in floors with grey cement and pigments over and incl 15mm thick screed bed or bedding layer of motar for laying floor finishes in cement plaster (1:4) all as specified and as directed.

Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Excavating in post holes (or similar holes) each n.exc 0.5 Cum getting out and removing surplus soil to a distance n exc 50m and making good surfaces in soft/loose soil complete all as specified and as directed.

Demolition of concrete in ground floor and pavings n.exc 15cm thick (un reinforced) (below or above ground level) complete all as specified and as directed.

M&L PCC (1:4:8) type D-2 (using 40 mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as specifed and directed.

M&L for 25 mm thick PCC (1:2:4) type B1 (20mm graded stone aggregate), finished concrete surfaces even and rough to receive floor finishes complete all as specified and directed.

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for glazed ceramic coloured tilesof size 350 x 250 x 7mm / 450 x 300 x 7mm mm thick fixed on vertical surfaces such as dado / skirting, raiser to steps etc conforming to IS-13712 grade IB-III set and jointed in neat cement slurry and pointed in white or coloured cement to match, over and including screed bed / backing layer of 10 mm thick in cement mortar (1:3) complete all as specified & as dirceted.

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc complete all as specified & as dirceted.

Taking down cement plaster of any description on brick or stone walls including raking out joints hacking for key, scrubbing down with water etc. complete all as specified & as dirceted.

Taking up or down 20mm bore steel water tubings and fittings etc complete and making good disturbed surfaces of walls/ceilings or floor etc complete all as specified and as directed.

Taking up or down 25mm bore steel water tubings and fittings etc complete and making good disturbed surfaces of walls/ceilings or floor etc complete all as specified and as directed.

Supplying and laying of 20mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified and as directed.

M&L for 25mm steel tubing medium grade, galvanised fitting fixed to walls and ceiling or floor complete all as specified and as directed.

M&L for non-skid Ceramic plain coloured tiles 7 to 8 mm thick (square / rectangular) conforming to IS 13712 grade B-II (a), approved make and colour shade, area of each tile exc. 0.11 Sqm but not exc. 0.18 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over & including screed bed or bedding layer 15 mm thick in CM (1:6) complete all as specified & as dirceted.

Taking down shutters and refixing in same opening of any description exc 1 Sqm but not exc 2 Sqm each complete all as specified & as dirceted.

M&L for non-skid Ceramic plain coloured tiles 7 to 8 mm thick (square / rectangular) conforming to IS 13712 grade B-II (a), approved make and colour shade, area of each tile exc. 0.18 Sqm but not exc. 0.36 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over & including screed bed or bedding layer 15 mm thick in CM (1:6) complete all as specified & as dirceted.

All as per item No 37.00 here-in-above but in skirting with 7-8 mm thick over 10mm thick backing coat in CM (1:4) complete all as specified & as dirceted.

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 sqm on plan and n. exc. 1.5 m in depth for laying of cable / foundation in soft / loose soil complete all as specified and as directed.

M&L for returning, filling in, including spreading levelling watering and well ramming in layers not exceeding 25 cm in thick as in hard / rocky / soft / loose soil complete all as specified and as directed.

M&L for stone walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar (1:6) including brought up to courses complete all as specified and as directed.

Hand packing (any thickness) at back of walls over arches etc. and raising (or lowering) to the required level complete all as specified and directed.

S&F for 75 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints fixed to wall, laid in trenches or in floor with all necessary clamps, bolts, bends, Tee etc. complete all as specified and as directed.

M&L for PCC (1:3:6), type C-1 (using 20mm graded stone aggregate) as in coping including formwork complete all as specified and as directed.

M&L for rendering 15 mm thick in CM (1:4) on other than fair faces of stone masonry, finished even & fair with using extra cement complete all as specified and as directed.

E/M Protion Taking down carefully copper/aluminium point wiring (ligt, socket or power) complete (fittings such as switches, ceiling roses, pendants, regulators, socket etc to be measured separately) and making good disturbed surfaces of walls, floors etc to match with existing surface complete all as specified and as directed.

M&L point wiring complete with 1.5 Sqm multistranded electrolyte copper conductor single core PVC insulated unsheathed FR-LSH cable 1100 volts grade (ISI marked) with proper colour coding drawn through and including non- metallic rigid PVC medium grade conduit not less than 20 mm dia and conduit accessories (ISI marked) concealed in wall/fixed to roof, ceiling etc including provision of 1.5 sqmm PVC insulated multistranded unsheathed copper conductor cable FR-LSH (ISI marked) as earth continuity conductor connected to common earth dolly, modular type sunken terminal box made out of Gl sheet steel not less than 1.22 mm thick for boxes duly painted with aluminium inside and anti corrosive paint outside, concealed in walls, with modular frame for housing modular type switches, sokets outlets, fan regulators etc duly earthed including cutting chases of existing wall for conduits and sinking for boxes and making good to the disturbed surface of wall /floor and matching with existing specifications. Connection of cable with MCBs or bus bar shall be done through proper size copper brass thimbles. Where concealing of / conduits is not feasible ie on surface of roof etc conduit shall be fixed on surface with necessary saddles at no extra cost. Notes:- (i) quoted rate shall include chase cutting, making good to the disturbed surfaces including plastering and painting to match with the existing colour. (ii) Wiring from the DB (distribution box) to switch shall be deemed to be inclusive in the quoted rates. (iii) Sunken modular flush sheet metal enclosures shall be deemed to be inclusive in the quoted rates. (iv) Modular cover plates shall be deemed inclusive in the quoted rates.

All as per Item Sl No 47.00 but for One 3 pin 5 Amps switch socket outlet point on independent board.

All as per Item No. 46.00 here-in-before but for wiring with 2.5 Sqmm multistranded copper conductor wire FRLS PVC insulated and 2.5 Sqmm copper conductor wire FRLS PVC insulated using as earth wire complete all as specified and directed by Engineer-in-Charge.

Supply and fix Modular switch 1 way 6 Amp, 1 module 230 volts, 50Hz, ISI marked complete all as specified and as directed.

Supply and fix Socket, 6Amp 2/3 pin combined 2 module 230 volts, 50Hz ISI marked complete all as specified and as directed.

Supply and fix Modular switch 1 way 16 Amp, 1 module 230 volts, 50Hz, ISI marked complete all as specified and as directed.

Supply and fix socket, 6Amp/16Amp, 2/3 pin combined 2 module 230 volts, 50Hz, ISI marked complete all as specified and as directed.

S&F ceiling rose, 3 Phase, PVC polycarbonate, insulated body (ISI marked) complete all as specified and directed.

Supply and fix in replacement of 20 W LED tubelight fitting with lamp, extruded aluminium PC Diffuser, efficiency > 125 lm/ W, glare free, THD< 10% potted electronic driver connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and as directed. Make:- (i) Crompton, Cat Part No CCS-100-20-65-HLL-OP-NWH (ii) Havells, Cat Part No ENDURALINEARPROBS20WLED (iii) Philips, Cat Part No BN170C LED20S-6500 PSU L 120

Supply and fix aesthetically designed 2x2 LED flat panel for ceiling mounting which provides soft light and glare free illumination not less than 36 watt, efficiency > 125 lm/W including and connecting up complete all as specified and as directed. Make:- (i) Havells, Cat Part No VENUSNEO2X2PLR36WLED868PO (ii) Crompton, Cat Part No TCR-145-36-65-SL-NWH (iii) Philips, Cat Part No RC360B LED36S-6500 V1 L60W60 PSU OD

M&L for concealed sub-main wiring along with earth wire of size 2x6 sqmm and 1x6 sqmm earth wire, ISI marked FRLS, PVC insulated, multi strandered, copper conductor, single core cable drawn through and incl PVC rigid conduit (medium grade) with all fittings and accessories ISI marked including cutting chases for conduit & sinking for sunken boxes & making good to walls, floors etc complete all as specified and as directed. Note : 3 runs of 6 sqmm and 1 run of conduit will be measured as one unit i.e RM

S&F MCB DB SPN 8 Ways double door, IP-43, IK-09 with metal door, rated bus bars, earth bar, neutral links complete incl blanking plates as required & fixed flush to wall/other surface complete all as specified and as directed.

S&F in repairs MCB single pole & neutral 40 to 63 Amps, 240 Volts, 10 KA rapturing capacity, 'C' Curve complete all as directed by Engineer-in-charge.

S&F in repairs MCB single pole 6 to 32 Amps, 240 Volts, 10 KA rapturing capacity, 'C' Curve complete all as directed by Engineer-in-charge.

M&L for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick burried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below normal ground level connected with galvanised iron / steel earth wire of 4mm dia by means of bolts, nuts, check nuts and washers made out of galvanised iron or steel all as shown in electrical plate No. 3 of SSR Part-I and earth wire protected by galvanised pipe light grade 15mm bore and connected to DBs including necessary earth wire and excavation in any type of soil, GI light grade 20mm bore watering pipe with funnel and wire mesh, PCC 1:2:4 type B1 chamber with 40mm thick RCC 1:2:4 type B1 design mix cover slab wiht 6mm dia MS bars at 100mm c/c both ways with MS Hook 6mm dia MS bars etc. complete all as specified and directed by the Engineer-in-Charge including testing on completion.

M/S S. S CHETTRI AND SONS

BIJAY MITTAL

SANJAY KAUSHIK

KARMA TSETEN BHUTIA

M/S MANOJ VERMA

NISHA CONSTRUCTIONS

MAHENDRA KHAWAS