Construction installation of pre-fabricated unified net working control room at Solar Colony choglamser Leh

Amount

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth upto 50 meter beyond 1 m from cutting edge and disposal of surplus excavated earth as directed. All kinds of soil

Providing and laying of stone soling hand packed and compacted with hand roller including carriage complete.Floor base

Providing and laying in position cement concrete of 1:4:8 grade excluding the cost of centering and shuttering. All work upto plinth level (Crushed aggregate 40mm).including all carriages and cost of material involved

Providing and laying in position cement concrete of specified grade excluding cost of centering and shuttering 1:3:6 mix (1 Cement: 3 coarse sand: 6 graded Crushed Stone aggregate 20mm nominal size) including all carriages and cost of material involve

Centering and shuttering including strutting, propping etc. and removal of form work for foundations, foundation footings, columns, basis of columns, plinths, plinth beam and string courses, Walls,incl attached pilasters, buttresses etc.compl

Supplying and filling of sand under floors incl watering, ramming, consolidating and dressing also incl. all carriages, leads and lifts.

15mm thick cement plaster on the rough side of single or half brick / concrete walls of mix 1:6 (1 cement :6 fine sand) including all carriages and cost of material involved. External wall

Finishing walls with water cement paint of approved brand and manufacture on new works two or more coats including applying one coat of water thinable cement primer of approved brand and manufacture complete.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 crushed stone aggregate) with a floating coat of neat cement slurry, but excluding cost of nosing of steps etc. complete 50mm thick with 20mm nominal including all carriages and cost of material involve.

Providing and fixing glass strips in joints cement concrete floor 40mm wide and 6mm thick.

Pre-Fabricated shelter made up of steel structure and PUF panels, colour coated profile sheets etc with technical specification as given below:- 1 Design Parameter. a) Seismic=Zone V b) Wind / snow load as per relevant IS codes for th e region c) Temperature Range=(-) 40 to (+) 50 C d) Roof slope= 1:2 e) Dimensions. All as indicated in the reference drawing to be provided as site are as directed by EIC at site 2. Technical Specifications. i) Details of Structural Members. The steel structure for the shelters will be designed for the Designed Parameters. All structural steel will be ISI marked with manufacturer’s test certificate for raw material and structural properties. The main columns , verandah rafters, trusses, purlins etc will be Made out of steel sections , MS plates, M S bolts / nuts etc (the size of steel sections / thickness of M S plates, size of bolts/ nuts will be as per drawings or as directed by EIC at site. ii) The roof will be provided with 0.50mm thick green colour coated steel profile sheets. Sheet covering will be fixed with using hot dip zinc coated self drilling hexagonal washer head fasteners. Ridge shall be covered by 0.50mm thick colour coated steel sheet. The sheets shall be laid with minimum end and side lap of 150mm. iii) Gable End. Gable End will be covered with same panels as of wall upto bottom chord of truss. The triangular truss portion will be covered with 0.50mm wider than the width of the opening. iv) Sunshades. Suitable sunshades made out ofcolour coated sheet reinforced with angle iron frame will be provided to all external windows and doors. The minimum projection for the sunshades will be 450 mm and 300mm wider than the width of the opening. v) Roof Projection. The roof will have minimum projection 450mm to 600mm all around including verandah portion. Purlins will also be extended in the roof at the eaves and at gable roof extension (outside the structure) vi) Main walls & partition walls. The main and partition walls will be made up of 60 mm thick wall Panels having height of 3.0mtrs of make Llod panel system /Modern Panels/Jindal Mectecnol/PSL Engineering or equivalent. The Panels will be made of 0.63mm thick hot dipped galvanized steel sheets on both sides with 60mm thick layer of rigid CFC free close cell polyurethane foam (Density 40 Kg+2 Kg/Cum) insulation. The wall panels will be provided with tongue and groove joint and will be with cam lock/continuous panelling systems for interlocking. All materials required for the manufacture of shelter will be new and shall comply with relevant Bureau of Indian Standard Specification. Base channel of specified size will be provided for walls. The PUF insulation material in the panel will have fire retarding and self extinguishing properties as per any international standard B2 DIN 4102 Part-I/BS-4735 Self Ext. g) Ceiling. The false ceiling of Rooms, Toilets and Verandah will be made up of 40 mm thick PUF insulated Panels of Make Lloyd Panel system/Modern Panels/Jindal Mectechno/PSL Engineering or equivalent. The Panels will be made of 0.63 mm thick hot dipped galvanized steel sheets on both side with 40mm thick layer of rigid CFC free close cell polyurethane foam (Density 40 Kg+ 2 Kg/Cum) insulation. The false ceiling panels will be provided with tongue and groove or lip locking joint for interlocking. False ceiling will be supported with the help of inverted CRCA Tee Section 50x50x5 mm thick and L-Section of 50x50x5 mm thick fixed appropriately to the Truss. h) Windows. Aluminum profile powder coated sliding windows with all fitments will be provided and fixed in position by the contractor as directed by EIC The window shutter will be of two leaves of which one shall be provided with glazing of 4mm intello reflective glass and one leaf will be provided with fixed fly proofing using stainless steel mesh of 1.5mm aperture.(Powder coated Alumn shutters / frames) i) Doors. Doors will be provided and fixed in position by the contractor as directed by EIC in each shelter. Door frames and shutters will be made up of suitable Aluminium profile powder coated sections. Main shutter will be provided with flush both sides teak ply inserts of appropriate thickness and Fly proof shutter provided on outside of the door using stainless steel mesh of average 1.50mm aperture. The main door shall be provided with built in locking system of make Godrej/Harrison etc. Two Nos Aluminum tower bolts of 200mm size from inside and one sliding bolt 300mm long and one bow handle 150mm size to be provided on both in and out side of each shutter. Fly proof shutters will be provided with hydraulic door closers. Internal doors will not be provided with fly proof shutters. j) Ventilators.Ventilator of size 450x300mm and of suitable aluminium profile section will be provoded and fixed in position by the contractor as directed by the EIC in each shelter.Ventilator will have full stainless steel fly proof mesh of 1.50 mm aperture and will have top hinged glazed polycarbonate sheet shutter on inside. k) Curtain rod Arrangement.25mm diameter mild steel powder colour coated fancy type drapery rod with fixing arrangements will be provided for all openings (doors and windows).The drapery rod should be minimum 450 mm longer than width of the opening. l) Shelf. Four numbers 450mm wide, 1.0m long shelf made of pre-laminated particle board 16mm thick shall be fixed with nuts and bolts on 3mm thick MS angle iron frame as shown on drawing 3.Workmanship : (a) Connection.Welded connection will be provided unless otherwise specified by EIC. The welded connections will be conformed to IS 806-1968. (b) Fabrication.The general provisions in section 11 of IS 800 of 1984 will apply to all types of steel being used for fabrication. c) All steel members will be provided with 2 coats of red oxide zinc chromate primer before supply. d) Various Fasteners and Fittings:- Fasteners and fittings of mild steel shall be supplied unless otherwise specified in and shall be fixed where required. Fastening means will be provided for the items to be fitted at the time of erection. 10% spare nuts, bolts and washers will be provided per shelter. The fasteners supplied shall conform to relevant BIS specification. e) Finishes. All steel work will be given two coats of red oxide zinc chromate primer and all exposed timber parts will be given two coats of wood primer by the manufacturer in the factory. Eight Liters of red oxide zinc chromate primer and twenty liters white colour paint with appropriate colourstainer per shelter will be provided in sealed containers for retouching and painting after erection. All paint material will be of Jenson & Nicholson/Berger/Asian make or equivalent

Stanzin Dawa

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