Civil Works

Designing, providing, fabricating, transporting, assembling, erecting and fixing of tubular space frame structure for dome in position with detail as follows. MS Tube Details:The space frame used complies of MS Circular tube sections of nominal bore NB 200, NB 100 of thickness 10T, 8T, 6T, 4.8T as evolved in approved design. The Mild steel circular tubes used in space frame should be painted using epoxy rich primer of 2 coats and PU paint of 2 coats as colour approved by the Executive Engineer. Base plate:2 sets of Bore plate each 16 Nos of size 600mm x 600mm to be provided with thickness of plate 30mm. Elastomeric Bearing Pads (Neoprene Rubber pads) of thickness 25mm have to be sandwiched between two sets of base plates have to be anchored to the concrete ring beam u sing J-bolts of dia 20 YST (Yield strength in Tension) and height 750mm(including base plate). Connections:All the individual structural members of the space frame have to be connected using arc weld and shall confirm to norms specified in IS 816 (1969) – Code for practice for use of metal arc welding for General construction in mild steel. All the connections have to be inspected and checked as per the norms confirming to IS 822-1970 – Code of procedure for inspection of welds. The rate shall include transportation, fabrication, assembling, erection, design approved by Anna University, crane lifting charges, scaffolding charges etc.,

Designing, providing, fabricating, transporting, assembling, erecting and fixing of Aluminium Section for dome in position. Aluminium sections: Powder coated Aluminium section customized to seat properly on Circular tube MS frames and to support glass panes should be fabricated of size 57 x 102 x 2 t and 58 x 100 x 2 t as per the approved design. The rate shall include transportation, fabrication, assembling, erection, design approved by Anna University, crane lifting charges, scaffolding charges etc.,

Designing, providing, fabricating, transporting, assembling, erecting and fixing of skylight roofing glass for dome in position. Glazing:Sky light roofing glass has to be fabricated, supplied, transported and positioned with 13.52 mm thick laminated glass of 6mm thick ST 167 heat strengthened glass + 1.52 clear PVB (Poly vinyl Butyral) + 6mm thick clear heat strengthened glass. The rate shall include transportation, fabrication, assembling, erection, design approved by Anna University, crane lifting charges, scaffolding charges etc.,

Plastering with Cement Mortar 1:5 (One cement and Five M-Sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Textured wall painting with exterior weather proof emulsion paint (2 coats) of approved quality and colour over a priming coat including through scrapping, clean removal of dirt etc., complete and including necessary plaster of Paris, putty whereas required as directed by the departmental officers.

Cladding the Vertical Wall Surface with best approved Semi Polished Natural textured finish Dholpur Sand stone Slabs of Size 600 X 600 of 20/25 mm thick with machine cut edges laid over a Cement Mortar of 10 mm thick using Cement Mortar 1:2 ( One Cement and Two Sand ) fixing the slabs with required cement slurry and laid in true right angles with minimum possible width joints and pointing the joints with white cement mixed with matching colouring pigments etc., The Dholpur stone slabs and other materials to be used shall be got approved by the Executive engineer concerned before use on work etc., Complete as per standard specification.

INTERNAL STEEL CUPLOCK SCAFFOLDING : Providing, erecting and dismantling (after completion of all works) new uniformely painted steel cuplock for the internal area by using new vertical and horizontal pipes (grid of 2m x 2m) tied horizontally with steel coupler at 1mt and vertical support at every 2m to a total height of 33m (100 ft). The entire scaffolding shall be errected to the required height in specified areas to facilitate different agencies' workmen to work on the ceiling and wall area. This scaffold shall be retained until the completion of work and as instructed by the Executive Engineer (ie.,) The entire Scaffolding shall be dismantled with caution not to damage the restored interiors. Contractors to note that the scaffolding shall be measured (length x width) in Sqft of erected scaffold area of floor. Dismantling after completion of works and carting away from site as directed. Including providing and supplying new, standard anti skid perforated galvanised working platform (2mt x 0.3mt) for the use by all agencies.Its tying and shifting shall be done free of cost whenever required & new silver oak / Bellapine scaffolding planks 35mm thick 300mm width in length of 3m for the use on works the ends of the planks to have GI Strapping to be done with gun to prevent splitting of planks. The scope of work includes providing necessary safety arrangements for the people working in that environment.

Tying, shifting, carting and removal of the same shall be done free of cost whenever required & providing and fixing new tranparent nylon white hessian cloth stiched together horizontally on any scaffolding of external facade to prevent debries from falling out as required for different agencies and also internally to cordon working area. Kindly note that this cloth cannot be removed until the completion of the work for which it is intended for the area of works upto any height.

Hire charges for lifting MS tubular space frame using luffing fly jib telescopically pinned crane(Electrical overhead travelling crane) with maximum radial coverage of 50m and height of erection shall be 40m above natural ground level. The capacity of crane shall not be less than 40T. The siting of cranes, erectio and dismantling, operating conditions, slinging and handling of loads, signalling system shall confirm to the standards of IS 13367 - Part 1:1992 (Safe use of cranes - Code of practice Part 1- General) before erection safe working load chart, instruction manual, testing certificate, technical information including maintenance information and performance data shall be got approved by the departmental officers before use on work. The contractor should take full responsibility and ensure safe operation of the Electrically overhead travelling crane during erection, operation, bad weather condition, dismantling along with obtaining suitable aviation permission from the competent authority. The rate shall include locomation charge of crane, fuel expenses, labour charges, tools and tackles, etc., complete complying with standard specification and as directed by departmental officers.

Providing safety nets in work place where height of the work environment is more than 25 feet. Nets shall extend 8 feet beyond the edge of the work environment where workers are exposed. Nets shall be hung with sufficient clearance to prevent users contact with the hard surface or structure beneath. Such clearance shall be determined by impact load testing. The mesh size of nets shall not exceed 6" x 6". Safety nets used in site should confirm to the standards as per IS code Specification for Industrial Safety Nets (IS:11057-1984) where the sag in longer direction should not exceed one-fifth of its length and sag in shorter direction should not exceed one-fourth of its length. The mesh cord, border cord and tie cord used in site should be flexible, uniform and free from defects. Periodic testing should be done throughout the safety nets to ensure no cord breakage, wear and tear occurs in the safety net. The rate of safety nets includes supply, transportation, lead, erection, etc., complete complying with standard specification and as directed by departmental officers.

Supplying and fixing in position temporary partition arrangements using reusable plywoods or composite wood or particle board of minimum 6mm thick exterior grade in order to prevent construction debries or particulate matter entering into hospital environment. Vertical and Horizontal mullion supports shall be provided using country wood reepers of standard size 50mm x 25mm and 50mm x 12 mm at required place of adequate length. The rate includes dismantling, making holes in RCC columns and RCC beams, masonry wherever necessary with power drill to the extent required and make good to the original condition after finishing as directed by departmental officers. All materials should be got approved by the Executive Engineer before fixing in position.

Providing Stone seating bench made up of Granite Stone or Equivalent with sculpture works made with skilled stone sthapathis. The individual pieces shall be fixed to each other with adequate bonding adhesives like Aralddite or Equivalent. Stone varnish shall be applied to the stone bench to provide appealing look. The pattern and design of Stone Bench shall be got approved by the Executive Engineer before use on works.

Providing and fixing of Aluminium Composite Panel (ACP) 4 sided having 50 x 25 x 1.50mm frame work vertical and horizontals out of specially designed extruded sections withstand wind pressure of 180 Kg/sq.m and fabricated fixed at all level elevation and heights. The extruded section cutting and fixing required space extruded section shall be of 6063 and alloy of BSH 9 confirming T is – 63400 rate shall included to fix the main frame with necessary clamps, fasteners, bolt nuts etc. The main frame of extruded section shall be of 22843 & 22739 (H9) grade conforming to BS 4174 (or) IS 8147. Rate shall included 4mm thick ACP sheet (0.25 + 3.5 + 0.25) alstrong or equivalent fixing with spacer tape and the ACP sheet bounded with special type structural sealant of dow corning 789 or equivalent in dust free conditions the gaps between ACP sheet to be filed with whether sealant and backer rod or 12mm foam sheet to ensure water and air tightness in all complete complying with standard specification as directed by the departmental officer

Supply and fixing Ornamental Electrically operated two stage ring Fountain made up of granite stone finish/equivalent. The outer diameter of the granite stone fountain should not be less than 2.40m diameter. The granite stone work for fountain have to be duly sculptured for desired pattern using skilled sthapathi stone mason. The fountain arrangements shall be made with 5 Hp motor (Kirloskar high pressure pump/eq) along with suitable starter, water proof wires, brass gasscades including all PVC specials and pipeline arrangements. The Ornamental Fountain shall be provided with suitable decorative light arrangements with model approved by Executive Engineer before use. The rate shall include supply, transportation, electrical arrangements, labour for fixing, all plumbing requirements, etc., complete complying with standard specification and as directed by departmental officers.

Removal and Re-Fixing of Tensile Fabric Roofing Provision for careful dismantling, safe storage and re-fixing of existing tensile fabric roof provided over low terrace during main construction activities. The work includes manual removal of tensile membrane, edge clamps, cables, turnbuckles, anchorage fittings, etc., without damage to fabric or supports. Fabric to be cleaned, rolled (not folded) and stored in dry, shaded and protected condition till refixing. After completion of construction works, re-fixing of tensile fabric in original position including inspection and cleaning of supports, replacement of damaged fasteners, if any. Fabric to be uniformly stretched and tensioned to required design tension using suitable tensioning devices, ensuring proper slope, no sagging, no water pockets, smooth profile and free drainage. All edges, joints and terminations to be properly sealed to ensure water tightness and zero seepage. Water test to be conducted and defects rectified to the satisfaction of Engineer-in-Charge. Work to be carried out with necessary safety precautions, without affecting hospital functioning.

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