Special Repair Replacement of old IACCS Store Porta Cabins at 257SU at 17 FBSU Under GE AF Trivandrum

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings/ wall cladding etc. complete all as specified and as directed.

S & F for pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering /cladding to wall, fixed with self tapping screws all as specified and directed. Note: The colour of sheet shall be decided by the GE

S & F for pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws all as specified and as directed.

Dismantling of old rusted steel structural work as in rafter/ purlins but excluding framed trusses etc. complete all as spd and directed

S&F rolled mild steel joist , channel angle or tee section as in posts fixed independently without convert plate including necessary cutting, drilling etc., Fe290-W(Gde-E-165) complete all as specified and as directed

S&F MS work in tubular trusses/ rafter/ purlin including special shaped washer etc. complete using ERW or induction butt welded tubes confirming to IS 1161-1979 Grade 240 complete all as specified and directed.

S & F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut length of bolt exc 22.5cm and n exc 30cm long, Diameter of neck in mm 16mm to 20 mm all as directed

S & F for wind ties for roof incl securing bolts, cutting tops to shape as directed, incl all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and as directed.

M/L two coat of synthetic enamel paint on new steel surfaces of any description, over 10cm in width or girth, not otherwise described, over a coat of red oxide primer incl preparation of surfaces all as specified and directed.

Dismantling of wall and ceiling boards ( fiber pulp insullation etc ) or insullation boards / slabs, blankets any thickness including cover fillets complete all as specified and directed

M&L for false ceiling at all heights with integral densified calcium silicate, reinforced with fibre and natural filler, false ceiling tiles of size 595 × 595 mm of approved texture, design, and patterns, to be laid in a true horizontal level, suspended on an interlocking metal T-Grid of hot-dipped galvanised iron section 0.33 mm thick (galvanised @120 grams per sqm on both sides) comprising main T-runners of size 24 × 38 mm, length 3000 mm, cross-T of size 24 × 32 mm, length 1200 mm, and secondary intermediate cross-T of size 24 × 32 mm, length 600 mm, to form a grid module of size 600 × 600 mm, suspended from the ceiling using galvanised mild steel items (galvanised @80 grams per sqm) including 12 × 50 mm long dash fasteners, 6 mm dia fully threaded hanger rod up to 1000 mm length, L-shaped level adjuster of size 76 × 25 × 25 × 1.6 mm fixed with grid, and Z-cleat of size 25 × 37 × 25 × 1.6 mm thick with pre-cut holes on both 25 mm flanges to pierce into 12 × 50 mm (or larger, if required) dash fasteners, fixed with galvanised iron perimeter wall angle of size 24 × 24 × 0.40 mm, length 3000 mm, on the periphery wall/partition with plastic rawl plugs at 450 mm c/c and 40 mm long stainless steel drywall screws; false ceiling tiles shall be 15 mm thick, tegular/butt edged, without perforation, plain or designer, lightweight calcium silicate, Anti-Microbial, Bio-Safe coated, conforming to JIS-Z 2801 and ASTM G-21, complete all as specified and directed

M&L for preparation of old treated surfaces of walls and applying two coat of acrylic emulsion distemper complete all as specified and directed.

M & L for prepration of old decorated wall surfaces and apply one coat of exterior emulsion antifungal paint(premium emulsion paint of Asian paint ACE or equivalent/ Lin Bevger/ Nerolac/JRN) complete all as specified and directed.

Taking down chowkats with shutter any description (without taking off shutters from the frame) area n exc. 1.5 Sqm each and stacking for issuing under credit

Taking down chowkats with shutter any description (without taking off shutters from the frame) area exc. 1.5 Sqm but not exc. 4 Sqm each and stacking for issuing under credit.

S&F Factory made single extruded WPC (Wood Polymer Composite) solid door/ window/ Ceosetory windows & other Frames/ Chowkhat of size 45 x 70 mm comprising of virgin PVC polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full body threaded star headed SS screws having minimum frame density of 750 kg/ cum, screw withdrawal strength of 2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2, modules of elasticity 900 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/ moisture proof and fire retardantand fixed in position with MS hold fast/ lugs/SS dash fasteners of required dia and length complete as per direction of Engineer-in-Charge. (M.S. hold fast/ lugs or SS dash fasteners shall be paid for separately). ® Note: For WPC solid door/window frames, minus 5mm tolerance in dimension i.e. depth and width of profile shall be acceptable. Variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid decorative type flush door shutter of size 30mm thick comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum compressive strengthproof and fire retardant. WPC to be laminated with PVC foil of minimum 14 microns thick of approved design pasted with hot melt adhesive on both faces of shutter and fixing with stainless steel butt hinges of required size with necessary full body threaded star headed counter sunk S.S screws, all as per direction of Engineer- In- Charge. (Note: stainless steel butt hinges and necessary S.S screws shall be paid separately) 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture

S & F sheet glass ordinary quality 4.8 mm thick exc 0.5 sqm in each pane and glazing with oil putty /glazing clips of any description complete all as spd & directed

S&F 250mm long Aluminium alloy, anodised sliding door bolt with hasp, staple (bolt type) and fixing clips of cast or extruded section and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy \all as specified and directed.

S & F 200 mm long aluminium anodised barrel tower bolt of extruded section all as specified and directed.

S & F 150mm long extruded aluminium alloy handles fabricated type anodised all as specified and directed.

S & F 100 mm long SS butt hinges, medium weight cold rolled all as specified and directed.

S & F Floor door stopper of aluminium alloy body and tongue, anodised, with hard rawn steel spring, fixed in floor Overall length of cover plate140mm all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) removing debris out side defense area complete all as specified and directed.

M & L Anti skid coloured ceramic tiles 9 to 10 mm thick (square/rectangular) area of each tile exceeding 0.18 but not exceeding 0.38 sqm, in floors over 15mm screed bed in CM 1:6 etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

Demolition Concrete in ground floors and pavings not exc 15 cm thickness (below or above ground level) complete all as specified and directed

M&L, 75mm thick PCC 1:3:6 type-C-2 in plinth protection 40mm graded aggregate with necessary form work etc completed all as specified and directed.

Taking down aluminium/Copper point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials to store for keeping in safe custody or for taking credit and making good the disturbed plaster surfaces of wall, floor, ceiling and painting 2 coat of white wash/distamber to meet the existing surface and removing materials and debris to reinstate the premise neat and clean complete all as specified and directed.

M&L for Point wiring with 1.5 sqmm single core PVC insulated FRLSH cable 1100 volts grade with copper conductor drawn in and including PVC conduit and all conduit accessories concealed and including provision of 1.5 sqmm PVC insulated copper cable FRLSH as earth continuity conductor fabricated branded Modular metal flush box concealed in walls with Modular suitable plate with cover with suitable screws for housing switches socket outlets fan regulators etc all as specified and directed for the following :-

All as per Item No 30 here-in-before but One light point controlled by one one way switch

All as per Item No 30 here-in-before but One Ceiling/exhaust fan point controlled by one one way switch.

All as per Item No 30 here-in-before but One 5Amp socket point on independent board.

All as per Item No 30 here-in-before but with 2.5 Sqmm PVC insulated multistranded copper conductor cable FRLSH including 2.5 sqmm PVC insulated copper cable as earth continuity conductor for one switch socket outlet 15 Amps on independent board all as directed.

All as per Item No 30 here-in-before but with 4 Sqmm PVC insulated multistranded copper conductor cable FRLSH including 4 sqmm PVC insulated copper cable as earth continuity conductor for power point on independent board all as specified and directed.

Supply and fix Modular type single pole oneway 6 Amps all as specified and directed.

Supply and fixing modular socket 3 pin 6 Amps flush type all as specified and directed.

Supply and fixing Modular type switch single pole oneway 16 Amps all as specified and directed.

Supply and fixing modular socket 3/5 pin 5/15 Amps flush type all as specified and directed.

M& L for AC box modular socket type with MCB SP 25 Amps 10 KA operating on 240 volts AC with plug top all as specified and directed.

S&F Ceiling rose, 3 phase/PVC/polycarbonate, isolated body on concealed PVC round block all as specified.

Supply and fixing ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1200mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC)

M&L for fixing of building security light 30W on street light bracket made of 32 mm dia GI tubing light grade, 1.2 metre long, bent to shape fixed to wall with 25mm x 3mm Flat iron clamps with nuts and bolts including painting two coats of aluminium paint over a coat of zinc chrome primer all as specified and directed.

Supply and fixing LED lights fitting 1x 20W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor rose complete cable of suitable size from ceiling

Supply and fixing 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 complete.

Supply, fixing and connecting up complete MCB DB SPN 12 way double door, 230 V, AC, 50 Hz, for MCB SPN and RCCB as incomer and MCBs SP as out going, IP-43 protection conforming to IS-13032 universal mounting with copper bus bar, neutral link, earth link, earthing studs, detachable gland plates with knockouts on both sides complete all as specified and directed.

Supply and fixing RCCB two pole 300mA, 40A in MCB DB all as specified and directed.

Supply and fixing miniature circuit breaker (MCB) Single pole and Neutral 40 to 63A rating 415V, 10KA 'C' curve in the MCB DB complete with connection testing and commissioning all as specified and directed.

Supply and fixing miniature circuit breaker (MCB) Single pole 5 to 32A rating 240V, 10KA 'C' curve in the MCB DB complete with connection testing and commissioning all as specified and directed.

Supply, Installation, Commissioning and Testing of Maintenance Free Earthing system comprising of the following :-

Maintenance free chemical earting with Copper-Bonded Steel Earth Rod of 3-meter length and 17.2 mm diameter placed in a hole of diameter 4 inches and 10 feet depth in the hard rock, filiiing 1 feet depth with non granular soil, connecting the GI wire 4mm dia from earth rod to equipment/DB all as specified and directed. Make: NVENT ERICO Cat Part No: CODE 613400 or techno-commercially equivalent of SIEMENS/HERGER. Brief features/ specifications of CBSE Rod are as follows:-

(a) The outer surface must be molecularly bonded with a uniform layer of 250-micron Copper, 99.9% pure electrolytic copper coating. (b) Rods have a high-carbon steel core and tip that provide superior strength when driving. A nickel interface must be provided between the copper and steel to avoid galvanic corrosion. Copper coating will not crack when bent or tear when driven (c) Must be capable of withstanding a fusing current of 25 KA @ 1 Sec. (d) Earth rod must comply with IEC 62305- 2, NBC 2010 and IEEE 80. Rod should be tested as per the IEC 62561- 2 /ANSI®/NEMA® GR1 standard. UL logo and control number, where applicable stamped on each rod for easy inspection after installation (e) Tensile strength greater than 80000 PSI on 12 mm. (f) High resistance to corrosion. (g) Material category number should be UL listed, Manufacturer Make, Part No and UL mark should be printed in each rod.

M&L for Ground Enhancement Material (GEM), Per Bag -11.33 Kgs , Conforming to IEC 62561-7 Standard, Premixing the GEM into slurry form using water( not more than 5 L to 6 L per bag), Pouring the GEM mixture in the augured hole and filling. Make ERICO Cat Part No: GEM 25A- 25-1lb or techno-commercially equivalent of HERGER/SIEMENS complete all as specified and as directed by Engr-in-Charge. Brief features/ specifications of the same are as follows:-

NOTE of 19.02:-(a) Must be a carbon-based, superior conductive material. (b) Resistivity must be less than 2 Ω-cm. (c) Must not cause corrosion to copper when in contact. (d) Must not expand or experience any shrinkage once set. (e) Must not depend on the continuous presence of water/moisture/salt to maintain its conductivity. (f) Must not decompose or leach out with time. (g) Must not contain hazardous chemicals as per IEC 62561-7 standard, TCLP Tested and EPA test method 1311. (h) Flexural and possess compressive strength as per the relevant standard. (j) Sulphur content must be less than 2%. (k) Must be in line with IEEE 80 clause 14.5.d. (l) Corrosion test shall be conducted on the material under both aggressive and non-aggressive conditions. (m) Installation Instruction and Material DATA sheet should be printed in each package.

M&L for Ready made PVC Heavy duty earth chamber (450 mm x 450mm ) with square cover and minimum 5 ton load bearing capacity, marking plate on top of the chamber cover and mentioning the earth resistance value on it. Complete all as specified and as directed by Engr-in-Charge.

M &L for Bore well holes in the hard rock size of 4" x 10 feet depth arranging the air compressor with rig unit, in and around the Radar buiding, Power Plant Building, the substation area or any other locations as decided by Engr-In-Charge/ GE and removing rubbish off the premises complete all as specified and to the entire satisfaction of the Engr-In-Charge.

Excavation in trenches in hard/dense soil not exceeding 1.5m wide and not exceeding 1.5 metre in depth for laying of cable and not exceeding 10 Sqm on plan for poles, struts, stays etc. and not exceeding 1.5 m in depth and getting out complete all as specified.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm of excavated soil up to a depth of 30 cm after riddling the excavated soil for Cushioning of cable and refilling of trench with normal excavated soil all as specified and directed :-

Removing excavated soils n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply and lay in trenches burnt clay building bricks sub-class ‘B’ size designation 75 for cable protection all as specified and as directed.

Supply and lay in trenches/under roads/crossings or fixed to wall/pole, GI tubing light grade of 40mm bore dia size for protection of UG cables all as specified and as directed.

Supply and laying in trenches or passing through pipes/ poles, wall/roof etc. LT XLPE cable heavy duty 1100 Volts grade with multistranded aluminium conductor, armoured of size 35Sqmm x 3.5 Core with provn of cable lugs and glands as required complete all as specified and directed.

Supply and lay HDPE pipe 50mm bore dia fixed on wall/roof with suitable saddle clips for protection of UG cable all as specified and directed.

Supply and fix 4 Pole MCCB to 63 Amp, 50 Hz, 415 V with rupturing capacity 16 KA in existing LT panel with provn of cable lugs etc, all as specified and directed