Augmentation of dedicated Security Air System

Amount

CIVIL AND STRUCTURAL WORKS

EARTHWORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sqm on plan) including taking out and disposal of excavated earth within or outside site to unobjectionable place and lift upto 1.5m, as directed by Engineer-in-charge.

Filling from available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidation each deposited layer by ramming and watering, within premises and lift up to 2.0m

PLAIN & REINFORCED CONCRETE

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

1:3:6 (1cement : 3 Sand : 6 Aggregate)

Providing and laying in position, machine batched, machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement including Admixtures in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. (Note :- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/recoverable separately).

M-25 grade reinforced cement concrete up to Plinth Level.

M-25 grade reinforced cement concrete above Plinth & up to 11 m above plinth level.

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

Foundations, footings, columns, beam, Slab etc. for reinforced concrete with water proof ply 12 mm thick.

Supply of Reinforcement for R.C.C. including straightening, cutting, bending, placing in position & binding all complete at all levels.

Thermo Mechanically Treated Bars Fe- 500 grade, Conforming to IS:1786

Providing and laying cement plaster on surfaces with Coarse sand including curing etc.

15 mm cement plaster of mix 1:4 (1 cement: 4 fine sand)

20 mm cement plaster of mix 1:6 (1 cement: 6 Coarse sand)

Brick Work Brick work in Cement mortar 1:6 (1 cement: 6 coarse sand ) IN FOUNDATION AND PLINTH

Sand Filling Supplying and filling in plinth with sand within specified grading zone of fine aggregates specified in table 3.1, clause 3.1.3 of attached specifications under floors, etc. in layers not exceeding 20cm in depth, each deposited layer to be compacted by ramming including watering, consolidating and dressing complete.

STRUCTURAL WORK

Fabrication and erection of structural steel work in rolled sections like joists, channels, angles, tees and trusses. R.S. J channels, RHS, SHS, Steel Circular Tube sections etc. with caps, bases mild steel plates, angle brackets, cleats, gusset plates, anchor bolts etc. as per detailed designs and drawing or as directed including cutting, fabrication, hoisting, erecting, copper slag blasting, painting, fixing in position, making riveted / bolted / welded connections and all complete as per specification and as directed by Engineer in charge. Structural steel shall conform to IS:2062 (Grade A) & MS Plates shall conform to IS:2062 (Grade B, killed). Painting scheme shall be as follows :- a) Approved Paint Brands are International, Sigma, Jotun, Hempel, & Carboline. b) Surface preparation - SA2.5. c) Primer – One coat of Primer: Inorganic base Ethyl Zinc Silicate Build (level 1 type 2 with zinc content min 85% in dry film) shall be applied to 1x75 = 75micron DFT. d) Intermediate coat – High Build Epoxy MIO – 1x150 = 150 micron DFT. e) Top Coat – Acrylic Aliphatic PU paint – 2x35 = 70 micron DFT. f) Total DFT = 295 microns + with 10% tolerance. g) Contractor shall conduct adhesion test after curing by cross-cut/pull-out test. (Structural steel is supplied by buyer). h) Painting Dolly/Pull out acceptance value is 5 MPA and X cut value is 5A. Salt contamination acceptance: 5 micro-gm/cm2.i) Erection weld joints: Surface tolerant epoxy mastic coating-100 micron as primer coat. Intermediate & Final as above scheme. j) Stripe coat: 35 x 2=70 micron PU coat shall be applied over weld joints & steel member edges/cormers.

MISCELLANEOUS

Providing, mixing and grouting below base plates of pedestal , equipment and in pockets with free flowing cement concrete grouting (1:1:2) with 6 mm & down stone aggregates including chipping off and cleaning of surfaces and pockets to receive grout, finishing of exposed surfaces and curing complete.

Providing, fabricating and fixing in position holding downbolts including pipe sleeves, washers, bottom plates, nuts necessary templates etc. complete with all materials and labours.

MECHANICAL AND PIPING WITH INSTRUMENT MOUNTING

EQUIPMENTS

Security Air Compressor with integrated Drier

Compressor erection cost

Buffer Air Chamber with Mounting Structure

Buffer Air Chamber erection cost

PIPING, VALVES AND FITTINGS FOR SECURITY AIR SYSTEM

Supply of Piping with Fittings (25 NB)

Erection of Piping with Fittings (25 NB)

Suppy of Ball Valve (25 NB)

Erection of Ball Valve (25 NB)

Supply of Non-return Valve (25 NB)

Erection of Non-return Valve (25 NB)

INSTRUMENTS

supply of Pressure Gauge with Mounting Accessories

Erection of Pressure Gauge with Mounting Accessories

Supply of Pressure Safety Valve with Mounting Accessories

Erection of Pressure Safety Valve with Mounting Accessories

HOOK-UP WITH EXISTING DELUGE VALVE

ELECTRICAL WITH CABLING AND CABLE TRAY

EQUIPMENTS

supply of Local Push Button Station for Air Compressors (LCS-301 & 302)

Erection of Local Push Button Station for Air Compressors (LCS-301 & 302)

INSTRUMENTS

supply of Pressure Switch (NFLP) with Mounting Accessories

Erection of Pressure Switch (NFLP) with Mounting Accessories

supply of Pressure Switch (FLP) with Mounting Accessories

Erection of Pressure Switch (FLP) with Mounting Accessories

CABLE TRAY

supply of Perforated Cable Tray (100 mm Weight x 50 mm Height)

erection of Perforated Cable Tray (100 mm Weight x 50 mm Height)

CABLES

supply of FRLS Aluminum Conductor, PVC Armoured, Power Cable of rating 4C x 16 sq.mm.

erection of FRLS Aluminum Conductor, PVC Armoured, Power Cable of rating 4C x 16 sq.mm.

supply of FRLS Copper Conductor, PVC Armoured, Control Cable of rating 3C x 2.5 sq.mm.

erection of FRLS Copper Conductor, PVC Armoured, Control Cable of rating 3C x 2.5 sq.mm.

supply of FRLS Copper Conductor, PVC Armoured, Control Cable of rating 4C x 2.5 sq.mm.

erection of FRLS Copper Conductor, PVC Armoured, Control Cable of rating 4C x 2.5 sq.mm.

EARTHING

supply of G.I. Earthing Strip (40 x 6 mm)

erection of G.I. Earthing Strip (40 x 6 mm)

supply cost of 2.5 mm Single Core, Copper Flexible Wire (Green Colour)

erection cost of 2.5 mm Single Core, Copper Flexible Wire (Green Colour)

OTHER WORKS

Civil Works related to foundation of Cable Tray Support in RCC

supply cost of Structural Work including Painting

erection cost of Structural Work including Painting

T L AIR ENGINEERING CO. (BID ID -765003)

MP Traders (BID ID -765036)

M/s S.B.ENGINEERING (BID ID -765048)