CA NO. GE/CHM-111/2024-2025 CONSTRUCTION OF TWO PORTA CABINS (PRE-FABRICATED ACCOMODATION) CHANDIMANDIR

Amount

Surface excavation not exceeding 30 cms deep and averaging 15cms deep and getting out in any type of soil, complete all as specified.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation etc or for shaft, wells, cesspits, manholes, pier holes etc not exceeding 10 sqm on plan and getting out in soft and loose soil all as specified & directed by Engineer-in-Charge.

providing cement concrete type D2, 1:4:8 using 40 mm graded stone aggregate, as in foundation, mass concrete etc., complete all as specified and as directed

Returning filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm depth in soils, complete all as specified and directed.

Removal of excavated material to distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point in soil, complete all as specified and directed.

Brick work with sub class ‘B’ bricks, straight or curved on plan exc 6 metre mean radius built in cement mortar 1:6 complete all as specified & directed.

Spreading and levelling in layers n exc. 25 cm thick and well ramming including watering as required complete, all as specified.

40mm thick PCC 1:2:4(using 12.5mm, type B-0 graded stone aggregate) Damp proof course to horizontal or vertical surfaces including necessary formwork complete, all as specified and directed.

100mm thick plain cement concrete 1:4:8 type D-2 using 40mm graded crushed stone aggregate as in sub base for tiles complete all as specified & directed.

Vitrified coloured double / ultra charge tiles 8-10mm thick (square / rectangular) polished, area of each tiles exceeding 0.42 Sqm but not exceeding 1 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tile, over and including 15mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

Plain cement concrete type B-1, 1:2:4 using (20 mm graded crushed stone aggregate) as in roof kerb, or mud stios, rounded or chamfered on edges, lintels upto 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, parapets and railings upto 60 cm in height, copings, bed plates, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including the use of forms or moulds with plain faces complete all as specified and directed.

Rendering 15mm thick plaster in cement mortar 1:4 on brick or concrete surface of wall , finished even and fair without using extra cement complete all as specified and directed by Engineer-in-charge.

Preparation of new plastered surfaces of walls and applying two coats of cement base paint (any tint), complete all as specified and directed.

Hard core of broken stone or boulders of gauge n.exc. 63mm, deposited, spread and leveled in layers n.exc. 15cm thick, watered and rammed to a true surface complete all as specified & directed.

75mm thick plain cement concrete type C-1 1:3:6 (Using 20mm graded crushed stone aggregates) as in plinth protection finished fair and even without using extra cement complete all as specified and directed.

Steel work in tubular trusses and tubular posts including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 t complete all as specified & directed by Engineer-in-Charge

Preparation of new steel surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint over one coat of red oxide complete all as specified and directed.

Powder coated aluminium (minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions (Fixed portions) with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS:1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-Charge.

Powder coated aluminium (minimum thickness of powder coating 50 micron) for shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber/neoprene gasket required (Fittings shall be paid for separately) with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS:1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ paneling, C.P. brass/ stainless steel screws all complete as per architectural drawings and the directions ofEngineer-in-charge

5.5mm thick ordinary quality tinted glass, fixed to aluminum frame work in panels n.exc 0.5 Sqm in each pane, complete all as specified & directed.

3mm thick aluminium composite panel sheet (ACP) fixed with aluminium beading with rubber gasket including all necessary clips and fittings colour as approved by Engr-in-Charge all as specified and directed.

Mortice lock, verticle type, mild steel, 4 levers, size 100mm, brass body, complete all as specified and directed

60mm thick puf wall panel comprising of following specification:- (a) PUF Panel shall be made of 0.5mm thick pre coated GI skin outer walls filled with PUF of thickness 58.74mm with density 44 Kg/Cum +/- 10% Kg/Cum. The overall thickness of PUF panel should not be less than 60mm. (b) The outer and inner colour coated (RAL-1001) GI skin made from hot dipped galvanized steel or the panels should be 0.5 mm thick TCT (Total coated thickness). Each panel should be supplied pre-painted with a colour coating of 50 microns of architectural polyester on a minimum 120 GSM base of zinc coating on the finished surface only for protection against scratches during handling and transportation. Base metal of GI skin CRCA should be as per IS-513 CA and grade of zinc coating will be 175 as per IS-277. (c) The pre coated GI sheet skin should have min coating of 4.5 micron epoxy primer and 25 micron polyester top coat on the finished surface and 7-8 micron primer Alkd Backer on backside which is bounded to the polyurcthane foam. The pre coated GI sheet should conform to IS 14246-1995 with manufacture test certificates conforming to specification. Base metal of GI skinned CRCA sheet should be as per IS-513 and galvanization as pr GR-120 as per IS-277.

(d) These panels are to be manufactured using high pressure dispensing machine of required capacity to inject specified amount of PUF chemical into the cavity of a full panel in one shot not exceeding 25 sec duration. This is to ensure that the liquid PUF mixture is sprayed into the cavity before the foaming reaction starts so that the insulation core of the panels is formed in one piece and provides desired structural and physical properties. The bulk density of insulation should 44 +/- 10% Kg/m3 made from CFC free close cell polyurcthane form and the dispensing machinery should be kept with a PLC controlled panel for monitoring and controlling the injection rate to assure specified uniform density requirements. The total thickness of the finished composite panel should not less than 60.0mm. (e) The PUF insulated core of these composite panels should have the following properties :- (i) Density 44 +/- 10% Kg/m3 (ii) ‘U’ valve of external walls will not exceed 0.35 (+) 5% W/m2k. (iii) Flammability B2 DIN 4102 Pt I. (iv) Blowing agent (non CFC) – R- 141B. (v) External colour of PUF panels would be RAL – 1001 & inner colour would be off white. (vi) Compressive strength at 10% deformation – 2.1 Kg/Cm2

50mm thick False ceiling shall be provided in the entire shelter. The false ceiling will be supported with the help of inverted CRCA tee section 50 mm x 50mm x 6mm thick. False ceiling panel should be made of CRCA sheet 0.5mm thick dipped in hot galvanized having of white colour and filled with PUF. (a) Specifications. (i) Over all thickness of panel - 50 mm. (ii) Density - 44kt/M3 +/- 10% Kg/m3 (iii) Compressive strength - 170 KN/M2 to 250 KN/M2 (iv) ‘U’ valve of external wall will not exceed 0.38 +/- 5% W/m2k. (v) Thickness of GI skin - 0.5 mm. (vi) Colour - White. Note. (a) There should not be any gap at junctions of false ceiling and walls. (b) These junctions shall be covered with suitable flashing sheet of size 60mm x 60mm x 0.5mm thick pre-coated sheets of same colour as of wall/roof. (c) The specifications of PUF shall be same as specified in Para 23(b) and 23(c) here in before.

Door closer hydraulically regulated aluminum (die cast) body, designation No 3, universal type, suitable for door shutters of 701mm to 850mm in width and of weight between 36 to 60 Kg, complete all as specified and directed.

Double action floor spring hydraulically regulated made up of minimum 1.25 mm thick aluminium alloy sheet foundation box, main body with stainless steel cover, governing pivot made of brass, other parts made of mild steel heavy duty complete all as specified and directed.

Stainless steel wire cloth. 0.36mm nominal dia of wire and average width of aperture 1.4mm and fixed with stainless steel wire staples , complete all as specified and directed.

25mm dia stainless steel curtain rod including fixing fancy types brackets, stops, rollers etc., complete all as specified and directed.

Pre- painted galvalume aluminum zinc coating GI based plain 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, complete all as specified and directed.

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, complete all as specified and directed.

Mild steel screw bolt (machine made) with hexagonal or squareheads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonalor square nut exc 5cm but n.exc 10cm long, diameter of shank 5 to 10mm, complete all as specified and directed.

Coloured non skid porcelain tiles exterior grade 300x300x15mm thick heavy duty (Endura from Johnson or equivalent) as in floor, set and jointed in neat slurry and pointed in coloured cement to match the colour of tiles over and including screed bed or bedding layer of 20mm thick in cement mortar 1:6, complete all as specified and directed

Concrete interlocking paver block, with grey cement and no pigment, design as approved, any shape and size conforming to IS 15658-2006 of 60 mm thickness, M-35 Grade, and including laid over 25mm thick sand cushioning, complete all as specified and directed

Point wiring with approved colour code multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 1.5 Sqmm ,1100 volts grade, two run of single core cable for phase & neutral and one run of single core multi stranded copper conductor, PVC insulated and unsheathed FRLSH cable of size 1.5 Sqmm ,1100 volts grade for earth continuity conductor to common earth and connected to earth dolly in and including new concealed PVC conduit terminated on and including new steel sunken boxes 1.2mm thickness covered with provision of 3mm thick plastic laminated sheet, comprising of One light /bell/buzzer point controlled by one switch or one fan point controlled by one switch &fan regulator, complete all as specified and directed. Note :Unit rate is inclusive of cutting chases in wall /foor/PCC and making good the disturbed surfaces to match the original finishes surface and nothing extra shall be paid on this account.

All as per serial item 36 herein before but for socket outlet 3 pin 6Amps on same board complete all as specified and directed

All as per serial item 36 herein before but for socket outlet 3 pin 6 Amps on independent board complete all as specified and directed

All as per serial item 36 herein before but One socket outlet three pin ,6/16 Amp, independent board, with 2.5 Sqmm (nominal area ) FRLSH cable & 2.5 Sqmm (nominal area ) cable as earth continuity conductor

Switch piano, flush type, 6 amps, 230 volts, single pole, one way (ISI marked) complete all as directed by Engineer-in-charge

Switch piano, flush type, 16 Amps, 230 volts, single pole, one way (ISI marked) complete all as directed by Engineer-in-charge

Sockets outlet multipurpose 2 in 1 pin, 6 and 6 Amps flush type ISI marked all as specified and directed by Engineer-in-charge

Sockets outlet multipurpose 2 in 1 pin, 6 and 16 Amps flush type ISI marked all as specified and directed by Engineer-in-charge

Ceiling rose, PVC or polycarbonate of size 65mmx50mm three terminals (ISI marked) all as specified and directed by Engineer-in-charge.

TPN distribution board double door flush mounting with provisions for MCBs TPN 4 way having IP 43 protection Complete all as specified and directed .

MCB DB, IP 43 protection, powder coated double door with locking arrangement suitable for surface and flush mounting, 08 way SPN with 200 Amps busbar 240V completed all as specified and directed.

MCB, SPN , 240 volt, 32Amps, 10 KA , 'C' series including connection with suitable size aluminium / copper lugs complete all as specified and directed

MCB , TPN/FP 40 to 100 Amp 415 volts, 16 KA , 'C' series including connection with suitable size aluminium / copper lugs complete all as specified and directed

MCB ,SP , 240 volt, 6Amps to 32Amps, 10 KA , 'C' series including connection with suitable size aluminium / copper lugs complete all as specified and directed

Slim LED lights fitting, 4 feet, 1x 20W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

Sub main wiring with two single core FRLSH PVC insulated and unsheathed cable with copper conductor of size 4 Sqmm (nominal area), 1100 Volt grade(with approved colour coding as per IS) with and including continuous earth wire of size 4 Sqmm PVC insulated and unsheathed FRLSH multi stranded copper conductor 1100 volts grade , and connected to main board drawing through PVC concealed conduit 25mm size(minimum size), cutting chases in walls for PVC concealed conduit and making good the disturbed surfaces by providing by wall putty/POP after mason work and finshing to match the original surfaces and nothing extra shall be paid on this account all as specified and directed. Note : (i) For the purpose of measurement, 2 single core of 4 sqmm and one single core earth cable of 4 sqmm cable shall be considered as 1 running metre. (ii) colour code shall be Red for phase, Black for neutral and green for earth

Earthing complete with galvanized steel earth plate electrode 60cmx60cmx6.00mm thick, burried directly in ground vertically to a depth not less than 2.25m below normal ground level, with top edge of the plate not less than 1.5m below normal ground level, earth plate surrounded by 15cm thick and packed alternate layers of charcoal dust and common salt, connected with and including earth lead of GI wire 4mm dia (8 SWG) by means of bolts, nuts, check nuts and washers of galvanized iron or thimbles and other end of the earth wire connected to main switch board and protected by galvanized iron pipe light grade 15mm dia bore including watering pipe 20mm dia bore GI light grade (ISI marked) with funnel and wire mesh, including all necessary excavation and earth work, PCC chamber in plain cement concrete (1:3:6) type C-1 and pit cover of presast RCC with MS frame etc and all as shown in electrical plate No 3 of MES Sch Part-I (2009), complete including dismantling of old earthing, all as specified and directed. Note(s) :- (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B-1, 80mm thick reinforced with XPM not less than 4Kg/Sqm. (ii) PCC chamber shall be constructed 500 mm away from the edge of earth pit. (iii) Rate shall include earth lead and protection pipe of length 7.5m (iv) Earth resistance should be less than 3Ohm. In case the test results are not found below 3Ohm, complete earthing will be redone without any extra cost to Govt. (v) unit rate including protection pipe and GI wire 4.00mm dia from top to earth plate upto 7.5 meter

LED street light fitting 35 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver,including lamp including thermal management in multiple optics complete with IP 66 protection, complete all as specified and directed.

GI bracket made of GI pipe Medium Grade of size 40mm dia 1.5 mtr length bend to shape of 120 degre fixed o pole/wall with clamp of size 50x6 of suitable length fixed with nuts/ bolts and 1.5 mtere long 1.5 sqmm 2 core flexible wire from connector / ceiling rose to light fitting complete all as specified and directed.

LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size, compelte all as specified and directed.

XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 16 sqmm, 4core, laid in trenches , sleeving through pipes of fixed on poles & wall or laid under floors inlcuding jointing with suitable size of alumunium lugs as specified and directed.

32mm outer dia, double walled corrugated (DWC) HDPE duct pipe conforming to IS 14930 Part-II with anti rodent and non flame propogating properties of approved colour with fittings for cable protection from approval make complete , all as specified and directed

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for laying of pipes, cables, poles, and getting out in hard /dense soil, complete all as specified & directed.

Returning filling in including spreading, levelling, watering and well ramming in layers not exc.25cm thick each layer of soil all as specified.

Removal excavated soil to a distance exc 250 but n.exc 500m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified & directed by Engineer-in-Charge.

Ceiling fans completewith blades, down rods, electronic regulator and accessories, 230 V, 1400 mm sweep. Min air delivery 245 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and directed

Exhaust fan energy efficient metallic blades heavy duty turbo force of size 400mm sweep, 1400 rpm, AC 230 volts complete with louvers shutters mounting on wall with holding down bolts, nuts, washers complete all as specified and directed.

Cutting openings, through brick walls in round shape , for 450mm dia exhaust fan and making good in cement mortar 1:3 or cement concrete 1:2:4 type B-l as required including finishing and matching the disturbed surface and removing surplus unserviceable bricks, hard-core, etc..from site and rubbish complete all as specified & directed by Engineer-in-charge.

Dhingra Brothers (BID ID -3281596)

Premier Constructions (BID ID -3283928)