Indian Institute Of Astrophysics Tender

In cement mortar

Dismantling barbed wire or flexible wire rope in fencing including making rolls and stacking within 50 metres lead.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lift.

Excavating, supplying, stacking and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in foundation trenches, plinth, sides of foundation etc. complete for all lift.

Supplying,Laying, spreading and compacting of 63mm to 45mm size stone aggregate to form 150 mm thick hard core and preparing surface complete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-lll) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :

Cement mortar 1:6 (1 cement : 6 coarse sand)

Random rubble masonry with hard stone in superstructure above plinth level and upto floor five level, including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) at window sills, ceiling level and the like.

Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-lll) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level and above plinth.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form work for :

Foundations, footings, bases for columns

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in

Cement mortar 1:4 (1 cement : 4 coarse sand)

15 mm cement plaster on rough side of single or half brick wall of mix:

1:4 (1 cement: 4 coarse sand)

52 mm thick cement concrete flooring with concrete hardener topping, under layer 40 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and top layer 12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate 6 mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturer's specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 Itr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Providing and fixing 100mm thick PUF insulated sandwich panels for roof Having top profile sheet with 28-30mm crust hight at 195-200mm pitch, inner liner tray and PUF Insulation between not less than 100 mm thick and width 980mm. Panel shall have 0.50mm thick precoated GI sheet on both side of polyurethane foam confirming to IS 12436:1988 with standard profile with tongue & groove arrangement . The Precoated sheet shall be of minimum 240 mpa steel grade confirming to IS 14246:1995 and shall have zinc coating of minimum 120 gsm as per IS:277:1992, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 20 micron.The PPGI sheet shall have plastic protective guard film of minimum 25 microns to avoid scratches while transportation. The PU foam shall be self-extinguishing, fire retardant type having minimum density of 40 Kg/cum(+,-2 Kgs) including CFC Free pannel should be GRIHA Certified. The panels shall be fixed to the steel frame structure with minimum 5 mm thick self tapping GI screws of required length and nos. with minimum spacing of 300 mm c/cassembly/ the cost shall include ridge, soffit junctions & flashings as specified puff panel makers.

Supply and installation of 100mm thick PUF panel for wall, inner side 0.4m and 0.4mm outer RAL 9001 PPGI sheet, PUF density 40kg±2/m3, tensile strength 4.0 kg/cm3 with tounge and groove system for wall including necessary screws, fasteners, joints silicon. Single piece of any suitable size or single panel (without joint) from ground to roof level including U-channel of 75mm and L-section all complete ready to use. The PUF panel should be weather resistant, water resistant, light weight.

C- Flashing - supply of C - Flashing 250mm girth thickness : 0.5mm

Inner Flashing - suplly of Inner flashing 120mm Girth 0.5mm thickness

Outer Flashing - Supply of Outer flashing 320mm Girth 0.5mm thickness

Puf profile end cap- supply of Puf profile cap 1220mm girth 100mm thickness

Gutter Eave - supply of gutter eave 800mm girth 0.5mm thickness

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing of hollow metal door at all levels from ISO 9001- 2015 certified manufacturer. All hollow metal general doors with or without vision panel. Pressed galvanised steel Single /Double leaf to required sizes of approved make Shakti Hormann or approved equivalent which consists of frame, shutter, infill and finish as detailed below and conforming to IS 277.Door frame shall be double rebate profile of size 143 x 57mm made out of 1.6mm (14gauge) thick galvanized steel sheet. Frames shall be butted and field assembled with bolts. The inside face of the frame face trim to rebate height should be protected with 1.6mm thick lead line.

All provision should be mortised, drilled and tapped for receiving appropriate hardware. Rubber door silencers should be provided on the strike jamb. Frames should be provided with back plate bracket and anchor fasteners for installation on a finished plastered masonry wall opening. Once frame installed should be grouted with cement & sand slurry necessary for doors on the clear masonry opening.Vision panel of size 200 x 300mm to be provided. Lead line glass of 8.5mm with radiation shield shall be provided with beeding arrangement. All doors and frames shall be finished Pure Polyster Powder coated and shall have passed minimum 500 hours of salt sprey test. Rate should include supply and installation of door and hardware as a complete assembly as mentioned in the door and hardware schedule. The hollow section of the frame shall be filled with puff Lead line Door single/Double leaf of size : 2.3x2.36 , 2.1x2.36, .0.9 x2.36

Providing and fixing factory made uPVC glazed/wire mesh windows/ doors comprising of lead free uPVC multi-chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness of 1.70 mm for Series R1 and R2 profiles and 2.10 mm for Series R3 and R4 profiles conforming to EN: 12608 in any shape, colour and design duly reinforced with galvanized mild steel section made of required shape & size as per CPWD Specification, uPVC extruded glazing beads, interlocks and Inline sash adaptor (where ever required) of appropriate dimension, EPDM gasket, hardware, SS 304 grade fasteners of minimum 8 mm dia with countersunk head, comprising of matching polyamide PA6 grade sleeve for fixing frame to finished wall as per IS 1367 : Part 1 to 14, plastic packers, plastic caps and necessary stainless steel screws etc. Profile of frame, sash & mullion (if required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all comers, including drilling of holes for fixing hardware and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of approved size and quality, all complete as per approved drawing conforming to CPWD specification & direction of Engineer-in-Charge.

Section of steel reinforcement and cross sections of uPVC profiles to be as per design approved by Engineer-in-Charge. Wire mesh / Glazing of plain/ toughened/ laminated/ double glass unit with / without high performance coatings as per design requirements and conforming to 1S: 3548 & IS: 16231 shall be paid separately. Note:- Structural design proof checked from a Government Engineering Institute, to be provided by the manufacturer for : (i) Sites with basic wind speed 45 m/sec as per IS 875 — Part 3 (ii) Sites with structure height more than 20m for all wind speeds

Fixed window / ventilator with mullion / transom.

Using R1 series with frame (33 mm & above ) X (35 mm & above) & mullion (33 mm & above) x (50 mm & above). (Height upto 0.90 metre)

Casement window double panels with fixed mullion with S.S. 304 friction hinges as per size and weight of sash, multi-point locking system, zinc alloy (zamak) powder coated handles.

Using R2 series with frame (39 mm & above) x (39 mm & above) & sash (39 mm & above) x (60 mm & above) & mullion (39 mm & above) x (60 mm & above). (Height upto 1.2 metre).

Providing, fabricating to required profile and shape, transporting, erecting and fixing in position structural steel work including procurement of all raw steel materials, bolts, nuts & washer incl. its testing, allowance for all types of wastages, strightening, cutting, bending of section whereever specified, drilling holes, bolting provison of necessary tools etc.Work under this item would generally cover all structural steel work. for roof in the stations, including roof portals, purlins, runner gutters etc, in the station steel roof structure (but including down take pipes and sheeting on roof as per specifications) along with provision for all fixing E&M, OHE and Signalling/Telecommunications equipments in the station steel roof strcuture.Work to include all intermediate stages of activities not define herein, but otherwise implied for total completion of work.Cost to include but not limited to, all materials including wastages, all consumables, fasteners of all types for both temporary works including staging, scaffolding, tools, plant and equipment, and additional costs of all incidentals and necessary testing of material etc including cost of painting as per specifications. It includes all type of structural work.