ADDN/ALTERATION AND SPECIAL REPAIR TO CERTAIN STORAGE SHEDS AT LALGARH JATTAN MIL STN

Amount

B/R PORTION

Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 300 mm in staggered manner or along the crack line in Reinforced Concrete (RC) structural element including cleaning of the holes by air blower and inserting 12mm dia NRV (Non Returnable Valve) nozzle compatible with epoxy injector and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive to ensure complete sealing and allow curing the system for minimum of 8 Hrs before Grouting including nozzle projections, excess putty, if any, over concrete element by grinding, leveling and finishing the external surface, after completion of the work, etc. complete all as specified and as directed by Engineer-in-charge.

Providing watertight form work to Sides of Column and similar work by using of ordinary timber plankings so as to give a rough finish including centering, shuttering, struting and propping etc. complete all as specified and as directed by Engineer-in-charge.

Material and labour Shear key connectors: Drilling holes in concrete of suitable diameter, providing and fixing 8 mm diameter High Yield Steel reinforcing bars at on the RCC surface at 300 mm c/c or as per site requirement. Shear keys shall be 75mm long with embedment length of 40mm and projecting out of the concrete surface with a horizontal bend of about 25mm complete all as specified and as directed by Engineer-in-charge.

Rebuilding the section of damaged RCC elements to its original size in thickness upto 100mm by providing and casting with ready to use non shrink, cementitious free flow micro-concrete having compressive strength > 60 N/sqmm (28 days) according to ASTM C 1107-99, including mixing, placing and leveling the surface by grinding off cementitious slurry or cementitious joints differences if any and curing complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per KG of micro concrete. Make: Sika- SikaRep Microcrete 4/ Fosroc- Renderoc RG/Pidilite Dr Fixit Micro concrete or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Grouting, injecting two part, low viscosity, moisture insensitive injection liquid, based on high strength epoxy resin by pressure and using pressure epoxy injector with accessories till nozzle refused to accept the grout including mixing of grout having following properties:- (i) Mixed Density 1.1 kg/l (at +27°C); Viscosity ~ 250 mPas at +30°C and should comply according to ASTM C 881, Type II and IV, Grade-1, Class E+F (ii) Compressive strength >= 70 N/sqmm (7 days) according to ASTM C 579; Tensile Strength ~ 50 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); Tensile Modulus ~ 2000 N/sqmm (after 7 days at +30°C cure) (According to ASTM D 638); (iii) Bond Strength ~ 10.8 N/sqmm (failure in concrete) after 14 days at +30°C cure; Flexural strength ~ 50 N/sqmm according to ISO 178. (iv) Seal the nozzle with thixotropic epoxy adhesive after the refusal of grout material from the nozzle. Note:- leakage through other nozzle or cracks are required to be monitored while grouting and such points to be sealed as and when required without any extra cost complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per kg of material consumed Make: Sika - SikaDur 52 LP/ Fosroc- Conbextra EP 10/ Pidilite Dr Fixit Epoxy Injection Grout or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Carefully chipping, removing existing loose/ damaged concrete with plaster from Roof, Ceiling, Chajja, Fascia, Fins, Drops and similar items by low impact high frequency hammer/ chipper without damaging the existing sound concrete and exposing old reinforcement upto 10mm beyond corroded reinforcement bars using electrically operated diamond concrete saw blade, making the edges straight and even and cleaning it by wire brush and then by air blower complete all as specified and as directed by Engineer-in-charge.

Cleaning all existing reinforcement bars in Roof, Ceiling, Chajja, Fascia, Fins, Drops and similar items with wire brush/rotary wire brush to make entire circumference surface of bars free from rust scales, loose material, dirt etc., complete and applying alkaline rust converting primer on the existing rebar and allowing it to react with rust for 6 hrs and form a corrosion resistant, insoluble and adherent protective layer including cleaning the reinforcement, wire brushing to remove the rust spalls, complete as per manufacturers instructions, complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement : per sqm of breaking area of concrete only. Make: Sika- Rustoff 100/Fosroc- Reebaklens RR/ Pidilite Dr Fixit Rust Remover or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Providing and application of Zinc rich epoxy anti-corrosive protective coating for reinforcement bars as corrosion protection system in 2 coats to the entire circumference surface of bars (consumption Qty as per manufacturers instructions but min 0.4 kg/Sqm approx) in Roof, Ceiling, Chajja, Fascia, Fins, Drops and similar items complete all as specified and directed by Engr-in-charge. The product should confirm carbonation resistance of 2 mm and bond strength > 1N/sqmm according to ASTM C 882-78 complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per sqm of application area of concrete. Make: Sika- Friazinc R/ Fosroc- Nitozinc Primer/ Pidilite Dr Fixit Zinc Rich Primer or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Apply SBR based bonding agent to the entire concrete surface prior to building up of concrete with Polymer modified mortar or any other treatment , including cleaning the surface to remove dirt, dust or any other impurities on the surface, etc. complete in Roof, Ceiling, Chajja, Fascia, Fins, Drops and similar items complete all as specified and as directed by Engineer-in-charge. Make: Sika - SikaDur 32 LP/ Fosroc - Nitobond SBR (EP)/ Pidilite Dr Fixit Super Latex (EP) or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Rebuilding the section of structural damaged RCC/PCC elements of Roof, Ceiling, Chajja, Fascia, Fins, Drops repair to spalling concrete to its original size and shape in layers of 10 mm average thickness in 1st layer by providing and applying with pre-batched, one component fiber based repair mortar having compressive strength >= 50 N/sqmm (28 days) according to ASTM C 109; flexural strength >= 5N/ sqmm (7 days) according to ASTM C 293-79 complete all as specified and as directed by Engineer-in-charge. Make: Sika - Monotop 122 F/ Fosroc - Renderoc S2/ Pidilite Dr Fixit Polymer Mortar HB or equivalent make approved by GE in writing from E-in-Cs Br approved list.

All as per BOQ srl item No 11 above but for each addl 10mm uniform thickness for subsequent layers ---- do ----.

Carefully chipping, removing existing loose/ damaged concrete with plaster from Columns by low impact high frequency hammer/ chipper without damaging the existing sound concrete and exposing old reinforcement upto 10mm beyond corroded reinforcement bars using electrically operated diamond concrete saw blade making the edges straight and even and cleaning it by wire brush and then by air blower complete all as specified and as directed by Engineer-in-charge.

Cleaning all existing reinforcement bars in Columns with wire brush/rotary wire brush to make entire circumference surface of bars free from rust scales, loose material, dirt etc., complete and applying alkaline rust converting primer on the existing rebar and allowing it to react with rust for 6 hrs and form a corrosion resistant, insoluble and adherent protective layer including cleaning the reinforcement, wire brushing to remove the rust spalls, complete as per manufacturers instructions, complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per sqm of breaking area of concrete only. Make: Sika- Rustoff 100/Fosroc- Reebaklens RR/ Pidilite Dr Fixit Rust Remover or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Providing and application of Zinc rich epoxy anti-corrosive protective coating for reinforcement bars as corrosion protection system in 2 coats to the entire circumference surface of bars (consumption Qty as per manufacturers instructions but min 0.4 kg/Sqm approx) in Columns complete all as specified and directed by Engr-in-charge. The product should confirm carbonation resistance of 2 mm and bond strength > 1N/sqmm according to ASTM C 882-78 complete all as specified and as directed by Engineer-in-charge Note :- Mode of measurement: per sqm of application area of concrete. Make: Sika- Friazinc R/ Fosroc- Nitozinc Primer/ Pidilite Dr Fixit Zinc Rich Primer or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Apply SBR based bonding agent to the entire concrete surface prior to building up of concrete with Polymer modified mortar or any other treatment , including cleaning the surface to remove dirt, dust or any other impurities on the surface of columns etc. complete all as specified and as directed by Engineer-in-charge Make: Sika - SikaDur 32 LP)/ Fosroc - Nitobond SBR (EP)/ Pidilite Dr Fixit Super Latex (EP) or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Carefully chipping, removing existing loose/ damaged concrete with plaster from Beams and Lintels by low impact high frequency hammer/ chipper without damaging the existing sound concrete and exposing old reinforcement upto 10mm beyond corroded reinforcement bars using electrically operated diamond concrete saw blade making the edges straight and even and cleaning it by wire brush and then by air blower complete all as specified and as directed by Engineer-in-charge.

Cleaning all existing reinforcement bars in Beams and Lintels with wire brush/rotary wire brush to make entire circumference surface of bars free from rust scales, loose material, dirt etc., complete and applying alkaline rust converting primer on the existing rebar and allowing it to react with rust for 6 hrs and form a corrosion resistant, insoluble and adherent protective layer including cleaning the reinforcement, wire brushing to remove the rust spalls, complete as per manufacturers instructions, complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per sqm of breaking area of concrete only. Make: Sika- Rustoff 100/Fosroc- Reebaklens RR/ Pidilite Dr Fixit Rust Remover or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Providing and application of Zinc rich epoxy anti-corrosive protective coating for reinforcement bars as corrosion protection system in 2 coats to the entire circumference surface of bars (consumption Qty as per manufacturers instructions but min 0.4 kg/Sqm approx) in Beams and Lintels complete all as specified and directed by Engr-in-charge. The product should confirm carbonation resistance of 2 mm and bond strength > 1N/sqmm according to ASTM C 882-78 complete all as specified and as directed by Engineer-in-charge. Note :- Mode of measurement: per sqm of application area of concrete. Make: Sika- Friazinc R/ Fosroc- Nitozinc Primer/ Pidilite Dr Fixit Zinc Rich Primer or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Apply SBR based bonding agent to the entire concrete surface prior to building up of concrete with Polymer modified mortar or any other treatment , including cleaning the surface to remove dirt, dust or any other impurities on the surface, etc. complete in Beams and Lintels complete all as specified and as directed by Engineer-in-charge. Make: Sika - SikaDur 32 LP/ Fosroc - Nitobond SBR (EP)/ Pidilite Dr Fixit Super Latex (EP) or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Shootcreting average thickness 50mm in two layers in RCC columns, beams and slab etc. In layers with approved design mix (minimum cement content of 350 Kg per Cum on M-25). Concrete having the specified minimum characteristic compressive strength (with ordinary portland cement, coarse and graded stone aggregates of 6mm maximum size in proportion as per design criteria) incl the cost of centering and shuttering at edges and corner etc as directed by Engr-in-Charge incl chipping of unsound/week concrete material 50mm average thickness from slabs, beams/columns etc with mannual chiesels or standard power driven per cussion type or of approved make incl tapping of all edges, make square shoulder of cavities incl cleaning the exposed concrete surface and reinforcement with wire brushes and throughly washing with water and allowing it to dry etc incl removel of rust by applying approved rust removed chemical and the coating with Dr Fixit Epoxy zinc primer @ 6 Sqm per Litre at DFT of 100 micron as per specification, applying the SBR Latex based bonding agent on each layer of the shootcreting work of Dr Fixit Pidicrete URP on the entire surface complete all as directed including 5mm thick cement plaster in CM(1:3) finished even and smooth without using extra cement. Make: Sika/Fosroc or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Shootcreting average thickness 25mm in RCC columns, beams and slab etc. with approved design mix (minimum cement content of 350 Kg per Cum on M-25). Concrete having the specified minimum characteristic compressive strength (with ordinary portland cement, coarse and graded stone aggregates of 6mm maximum size in proportion as per design criteria) incl the cost of centering and shuttering at edges and corner etc as directed by Engr-in-Charge incl chipping of unsound/week concrete material 50mm average thickness from slabs, beams/columns etc with mannual chiesels or standard power driven per cussion type or of approved make incl tapping of all edges, make square shoulder of cavities incl cleaning the exposed concrete surface and reinforcement with wire brushes and throughly washing with water and allowing it to dry etc incl removel of rust by applying approved rust removed chemical and the coating with Dr Fixit Epoxy zinc primer @ 6 Sqm per Litre at DFT of 100 micron as per specification, applying the SBR Latex based bonding agent on each layer of the shootcreting work of Dr Fixit Pidicrete URP on the entire surface complete all as directed including 5mm thick cement plaster in CM(1:3) finished even and smooth without using extra cement. Make: Sika/Fosroc or equivalent make approved by GE in writing from E-in-Cs Br approved list.

Supply and fixing hard drawn steel wire fabric cut to lengths, bent to shape as required and tying with and including mild steel wire (annealed) not less than 0.9 mm in dia complete all as specified and as directed.

Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundations, shafts, wells, cess pits, manholes, pier holes, laying pipes/elect cables etc not exceeding 10 Sqm on plan and getting out in soft/loose soil including trimming the sides and forming bottom surfaces to required levels complete all as specified and as directed by Engineer-in-charge.

Returning and filling including spreading, leveling watering and well ramming in layers not exceeding 25cm thick in soft/loose soil complete all as specified and as directed by Engineer-in-charge.

Removing excavated material (surplus soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed by Engineer-in-charge.

Labour for removing and forming embankments including raising (or lowering) earth spreading and filling in layers not exceeding 30 cm thick (each layer) consolidating the surface with Durmat/hand roller, rolling to required gradient and camber, levelling, well ramming including watering as required, not exceeding 1.5 m high from base and finishing to required size, shape, etc. complete all as specified and directed by Engineer-in-Charge. Note :- Extra good earth obtain from excavation (nearby same site) shall be re-used.

Excavation in post holes (or similar holes) in soft/loose soil not exceeding 0.50 cum each, getting out, returning filling in and ramming earth or broken rubble mixed with earth around, in layers n. exc 25 cm including removing of surplus spoil to a distance n exc 50 mtr and making good the disturbed surfaces complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete reinforced (RCC) of any discription and in any position not otherwise specifically provided, including reinforcement cut as required to facilitate complete all as specified and as directed by Engineer-in-charge.

Demolition of cement concrete (unreinforced) in ground floor and pavings not exceeding 15cm thickness (below or above ground level) of any description and in any position complete all as specified and as directed by Engineer-in-Charge

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided complete all as specified and as directed by Engineer-in-Charge

Demolition of brick work or stone / boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles in any description complete all as specified and as directed by Engineer-in-charge.

Material and labour for brick work with sub class ‘B’ old size burnt clay bricks, straight or curved on plan exc. 6 metre mean radius, built in cement mortar (1:6) complete all as specified and as directed by Engineer-in-charge.

Material and labour for brick work with Fly Ash bricks (old size ), straight or curved on plan exc. 6 metre mean radius built in cement mortar (1:6) complete all as specified and as directed.

Material and labour for brick work in half brick thick wall using burnt clay bricks (sub class 'B' old size burnt clay bricks) straight or curved on plan to any radius built in cement mortar (1:4) complete all as specified and as directed by Engineer-in- charge.

Taking down cement or cement lime plaster from brick or stone walls etc including racking out joints, hacking for key & scrubbing down with water etc, complete all as specified and as directed by Engineer-in-Charge.

Material and labour for plastering 15mm thick in cement mortar (1:4) on any face of Brick walls or concrete surfaces including mixing of liquid WPC in mortar @ 200ml per bag of cement of 50kg, finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge. (Note :- WPC shall be measured & paid separately as Supply only under relevant item of BOQ).

Material and labour for plastering 5mm thick in cement mortar (1:4) on any face of beams, columns, walls etc. (brick or concrete surfaces) including mixing of liquid WPC in mortar @ 200ml per bag of cement of 50kg, finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge. (Note :- WPC shall be measured & paid separately as Supply only under relevant item of BOQ).

Material and labour for plastering 10mm thick in cement mortar (1:4) on any face of Brick walls or concrete pillar surfaces, finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for plastering 10mm thick in cement mortar (1:6) on any face of Brick walls or concrete internal surfaces, finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for rendering/plastering 5mm thick in cement mortar (1:3) on any face of ceiling surfaces, finished fair and even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for rendering/plastering 5mm thick in cement mortar (1:3) on concrete surfaces of beams, columns, walls etc. finished fair and even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for Cutting out bricks, forming toothing for, and bonding new into old work including value of new materials entering old walls and jointing and pointing complete all as specified and as directed by the Engineer-in-Charge. Note :- Measured on vertical face in contact with old wall only.

Supply only liquid water proofing compound complete all as specified and as directed by the Engineer-in-Charge. Make : Dr Fixit/Fosroc/BASF/STP

Material & Labour for moorum / red bajri filling in floors or pavings, laid in layers not exc. 15 cm thick, spread levelled and rammed including watering complete all as specified and as directed.

Material and labour for hard core of broken stone or boulders of gauge not exceeding 63mm, deposited, spread and levelled in layers not exceeding 15cm thick, watered and rammed to a true surface complete all as specified & directed by Engineer-in- charge.

Material and labour for 100mm thick cement concrete ( 1:4:8), type D-2 using 40 mm graded stone aggregate as in sub base complete all as specified and as directed by Engineer-in-charge.

Material and labour for 75mm thick cement concrete ( 1:4:8), type D-2 using 40 mm graded stone aggregate as in sub base complete all as specified and as directed by Engineer-in-charge.

Material and labour for PCC (1:2:4), type B-1 using 20 mm graded stone aggregate as in PCC Blocks, foundation filling and mass concrete, bed block, for embedded fencing posts & similar work etc including form work complete all as specified and as directed by Engineer-in-charge.

Material and labour for 40mm thick cement concrete (1:2:4), type B-1 using 20 mm graded stone aggregate as in flooring, hard standing etc, in panels size as directed with provision of dividing strips and surface finished even & smooth without using extra cement including necessary form work complete all as specified and as directed by Engineer-in-charge. NOTE : Dividing strips shall be measured and paid separately under appropriate item of BOQ.

Material and labour for 100mm thick plain cement concrete ( 1:1.5:3), type A-1 using 20 mm graded stone aggregate as in floor, hardstanding/paving/path etc, surface finished as to receive the wearproof topping layer including necessary form work complete all as specified and as directed by Engineer-in-charge. NOTE : (i) Wearproof topping layer including matellic hardner where required or directed shall be measured and paid separately under appropriate item of BOQ.

Roughening surfaces of old concrete floor surface by picking and prepare the surface to receive Wear proof topping, including sweeping cleaning and washing down with water to remove the all loose particle and dust etc. complete all as directed by Engineer-in-Charge.

Material and labour for 15mm thick Wear proof topping metallic floor hardener mixed with cement thoroughly to an even colour in dry state in the proportion recommended by the manufacturer. This mixture shall be mixed with crushed granite/ basalt/trap (6mm and down) in the proportion 1:2 by volume (incorporating an approved metallic floor hardner), laid on concrete floors and pavings, and finished even and smooth (except metallic hardner) complete all as specified and as directed by Engineer-in-charge. Note : (i) Metalic hardner shall be measured and paid for separately under appropriate item of BOQ as supplying only.

Supply only Metallic floor hardener of approved size and quality complete all as specified and as directed by the Engineer-in-Charge.

Supply & fixing 3mm thick, 38mm wide glass dividing strips inserted in position to the required design/ pattern all as specified & directed by Engineer-in- charge

Material and labour for providing, plain cement concrete (1:2:4) type B1, with 20mm graded stone agg in cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerb, slightly rounded or chamfered on edges including necessary form work complete all as specified and as directed by Engineer-in-Charge

Form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams and similar work vertical or to better fair finished concrete as flat surfaces complete all as specified & directed by Engineer-in- charge.

Form work to sides of pillars, posts, struts piers, columns and stanchions and similar works rough finished concrete as flat surfaces complete all as specified & directed by Engineer-in- charge.

Form work to soffits of suspended slabs such as flat roof slabs, floor slabs, shelf slab, landings and similar work not exceeding 200mm thick (horizontal or sloping) fair finished complete all as specified and as directed by Engineer-in- charge.

Form work to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs not exceeding 20 cm wide and sides of RCC/PCC bands in walls, horizontal or sloping and similar work exceeding 10cm but not exceeding 20cm wide, rough finished surfaces of concrete complete all as specified and directed by Engineer-in-Charge.

Formwork to edges of concrete flats, breaks in floors, openings in concrete walls, floors and roofs and sides of RCC/PCC bands in walls, horizontal or sloping, and similar work all exceeding 20cm wide complete all as specified & directed by Engineer-in- charge.

Material and labour for reinforced cement concrete M-30 (Design Mix) using 20mm graded stone aggregate as in foundations including rafts, footings, foundation beams, plinth beams, bases of columns basement slabs, under-reamed piles and mass concrete etc. complete all as specified and directed by Engineer-in-Charge. NOTE : Reinforcement and form work shall be measured and paid for separately under appropriate item of BOQ.

Material and labour for reinforced cement concrete M-30 (Design Mix) using 20mm graded stone aggregate as in columns, pillars, piers, posts and struts complete all as specified and directed by Engineer-in-Charge. NOTE : Reinforcement and form work shall be measured and paid for separately under appropriate item of BOQ.

Material and labour for reinforced cement concrete M-25 (Design Mix) using 20mm graded stone aggregate as in chajjas, beams, staircases, landing, fins, facia and similar suspended works complete all as specified and directed by Engineer-in-Charge. NOTE : Reinforcement and form work shall be measured and paid for separately under appropriate item of BOQ.

Material and labour for reinforced cement concrete M-25 (Design Mix) using 20mm graded stone aggregate as in foundations including rafts, footings, foundation beams, plinth beams, bases of columns basement slabs, under-reamed piles and mass concrete etc. complete all as specified and directed by Engineer-in-Charge. NOTE : Reinforcement and form work shall be measured and paid for separately under appropriate item of BOQ.

Material and labour for reinforced cement concrete M-25 (Design Mix) using 20mm graded stone aggregate as in columns, pillars, piers, posts and struts complete all as specified and directed by Engineer-in-Charge. NOTE : Reinforcement and form work shall be measured and paid for separately under appropriate item of BOQ.

Material and labour for mild steel TMT bars 10mm dia and over cut to length bent to shape, required including cranking, bending spirally for hoping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by the Engineer-in-Charge. (NOTE : Weight of binding wire or securing with clips shall not be considered for measurement and payment purpose.)

Material and labour for mild steel TMT bars 6 mm to 8mm dia cut to length bent to shape, required including cranking, bending spirally for hoping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by the Engineer-in-Charge. (NOTE : Weight of binding wire or securing with clips shall not be considered for measurement and payment purpose.)

Material and labour for mild steel TMT bars 5mm dia and over upto and including 10mm dia as in stirrups, spacers and binders cut to length, bent to shape required including bending, cranking etc and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by the Engineer-in-Charge. (NOTE : Weight of binding wire or securing with clips shall not be considered for measurement and payment purpose.)

Supply and fixing MS flat iron hold fast for jointing bond between colomn and wall including embedding in concrete and screwing etc complete all as specified and as directed by Engineer-in- charge.

Material and labour for mild steel work conforming to Fe-290 (Gde E-165) as in grills, gratings etc. with ends of bars shouldered and/ or rivetted or forged into spikes; framed guard bars, walkways, railing, framed work of water tanks and similar works complete all as specified and as directed by Engineer-in- charge.

Taking down steel door of any description area not exceeding 8 Sqm each and refixing in same opening and ensuring proper working condition after necessary minor repairs, adjustment /alignment, replacement broken/rusted steel members, adjustment of hinges, handle/sliding bolt etc including welding work complete all as directed by Engineer-in- charge.

Material and labour for mild steel framed work, framed/truss work made by using hollow square/rectangular/round pipe (ERW or induction butt welded tubes conforming to latest relevant IS), or other section like angle, tee, plate, distance pieces, cleats etc. and cut to shape, drilled and counter sunk for screw, as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and fixed with angle cleats or other connecting plates, gusset plates, brackets, bending and welding, riveting etc, conforming to Gde Fe-410-W (Gde E-250 quality A) complete all as specified and as directed by the Engineer-in-Charge. Note ;- Sketch of new truss design and steel section to be used shall be approved by GE in writing before execution)

Supply and fixing Mild steel hand rails, half round or other steel section or core for hand-rail straight portion. Drilled and countersunk for balusters, running bars, for doors, balusters nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts: posts and struts in fencing including cutting tops to shape as directed, drilling, holes notching for wire, etc: flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, welding and welding in existing steel members etc, and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed by Engineer-in-charge.

Dismantling brick/PCC terracing tiles single layer from roof laid and pointed in cement mortar ncluding cleaning and stacking serviceable tiles for re use and balance removing/disposal off from the site complete all as specified and as directed by Engineer-in-charge.

Demolition/taking out of mud or lime concrete from roofs, any thickness, including removing/cutting uprooting grass, vegetations and roots of small plants etc on roof and surrounding/parapit wall etc, including removing rubbish material from building and thrown in low lying empty area (as per direcction of AGE) at any distance upto 500 metres from the site complete all as specified and as directed by Engineer-in-Charge

Material and labour for cleaning of top roof surface by wire brushing, removing all dust, loose particle of concrete and washing with water and preparing the roof surface to receive screed/plastering , after preparing the surface applying 10mm thick screed/plastering in cement mortar (1:4) including mixing of liquid WPC in mortar @ 200ml per bag of cement of 50kg and finished even and smooth without using extra cement complete all as specified and as directed by the Engineer-in-Charge. (Note :- WPC shall be measured & paid separately as Supply only under relevant item of BOQ).

Material and labour for applying one coat of solvent based/cold applied bituminous primer at the rate of 400 ml per sqm on cleaned & leveled screed/plastered surface of roof complete all as specified and as directed by Engineer-in-charge.

Supply and fixing minimum 3 mm thick APP based polymeric waterproofing membrane (minimum weighing 3kg/Sqm), reinforced with polyster non woven fabric (wt. not less than 150 gms/sqm), laid on primed surface by forced application, torching with overlaps as recommended by the manufaturer complete all as specified and as directed by Engineer-in-charge. NOTE:- (i) The work to be carried out by authorised applicators of material manufacture.

Material and labour for lime concrete terracing using brick aggregate and surkhi as specified in clause 11.11 and laying as specified in clause 11.27 of MES Sch Part-I (2009) minimum thickness at edge 40mm and increasing uniformly towards ridges to obtain a chain slope 1:40, the top shall be trowelled with the addition of jaggery solution and finished smooth complete all as specified and as directed by Engineer-in-charge.

Material and labour for 40mm thick brick tiles laid/bedded on and including screed bed 15mm thick in cement mortar (1:6), joints grouted flush in cement mortar (1:3) mixed with liquid WPC @ 200ml per bag of cement of 50kg and including flush pointing as work proceed with same material, all as specified in clause 11.27.3 of MES Sch Part-I (2009) complete all as specified and as directed by Engineer-in-Charge. (Note :- Water proofing compound shall be measured & paid separately as Supply only)

Material and labour for 40mm thick brick tiles (old serviceable tiles obtained from demolition/dismantled item shall be reused) laid/bedded on and including screed bed 15mm thick in cement mortar (1:6), joints grouted flush in cement mortar (1:3) mixed with liquid WPC @ 200ml per bag of cement of 50kg and including flush pointing as work proceed with same material, all as specified in clause 11.27.3 of MES Sch Part-I (2009) complete all as specified and as directed by Engineer-in-Charge. (Note :- Water proofing compound shall be measured & paid separately as Supply only)

Material and labour for preparation of new steel and iron surfaces of any description not otherwise described over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engineer-in- charge.

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down or by sand papering or by any other mean and after preparing the surfaces applying three coats of white wash by using paint brush over a coat of alkali resistant primer complete all as specified and as directed by Engineer-in-Charge.

Material and labour for preparing newly plastered or concrete surface of ceiling by sand papering or by any other mean and after preparing the surfaces applying three coats of white wash by using paint brush complete all as specified and as directed by Engineer-in- charge

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down with using broom/sand papering or by any other mean, washing down with water and applying two coats of cement base paint as per approved tint/colour by using paint brush over a coat of alkali resistant primer complete all as specified and as directed by Engineer-in-Charge.

Material and labour for Preparation of old decorated surfaces (plastered/unplastered) of ceiling by remove / scraping down all smoke soot, moulds, moss & efflorescent salts, oil & greasy spots etc with using broom/ steel patti / wire brush / sand papering or by any other mean including applying white cement based putty where required for filling to depressions to make the surface even and smooth upto entire satisfaction of Engineer-in-charge, and after preparing the surface smooth applying one coat of lime white wash with paint brush complete all as specified and as directed by Engineer-in-Charge.

Material and labour for preparation of old painted steel surfaces of any description not otherwise described over 10cm width or girth by cleaning the dust and removing all loose particle with using sanded paper, clean cloths and dry paint brush & applying two coats of synthetic enamel paint (1st quality) of approved tint/colour to achieve glossing finish with using paint brush complete as specified and as directed by Engineer-in-Charge.

E/M PORTION

Taking down carefully Air termination aluminium rod (lightening protection system) any type and size and fixed in any position from roof surface at any height including taking down fixture and fittings such as clamps, base insulator etc. including making good disturbed surfaces of roof / walls / floors etc. as per existing complete all as specified and as directed by Engineer-in-charge.

Taking down carefully Aluminium/GI earth conductor strip any size (lightening protection system) and in any position from roof/wall surface at any height including taking down fixture and fittings such as clamps, base insulator etc. including making good disturbed surfaces of roof / walls / floors etc. as per existing complete all as specified and as directed by Engineer-in-charge.

Supply and fixing Air termination, single pointed aluminium rod 12mm dia and 300mm long at roof of building/ESHs at any height complete all as specified and as directed by Engineer-in-charge. Note :- PCC block for fixing shall be measured and paid separately under appropriate item of BOQ)

Supply and fixing Aluminium strip 25 x 3mm with and including ceramic/porcelain vitreous insulator (at not more than 100cm c/c) for base of suitable size and saddles and fixing screws, nut bolts with washer etc. for fixing the strip on roof surface/along wall surface as earth grid and down conductor of lightening protection system of building/ESHs at any height complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 4 Nos, 8mm dia 25mm long hex head screw, fixed on wall surface including making connections of down earth conductors and earthing strips complete all as specified and as directed by Engineer-in-charge.

Material and labour for PCC (1:2:4), type B-1 using 20 mm graded stone aggregate as in bed block for embedded the termination rod (lightening protection system) & similar work etc at roof of building/ESHs at any height including necessary form work complete all as specified and as directed by Engineer-in-Charge

Supply and fixing in replacement sheet metal enclosure box, 2 way without bus bars for fixing test point of lightening conductor complete all as specified and as directed by Engineer-in-charge.

Supply, installation, testing and commissioning of maintenance free earth grid (grounding) interconnected two earth electrode of size 85 mm dia x 3 mtr long each. Metal conductor of electrode shall be Cu bounded MS strip of 50x6mm. Cu bounding of MS rod/strip should be min 250 microns. Earth electrode 85mm dia x 3 mtr long shall be placed in augured bore hole and embadding of interconnected strip shall be cast in high purity electrically conductive granuler material having ultra low resistive value of 0.001 Ohm-m. resulting in increase of the effective surface area of the earth grid to lower the earth resistance. Conductive earth enhancing material mixed with cement in the ratio 3:1 which should not leach chemicals into the adjacent soil or or underground water channels and should be in pH neutral range. Earth enhancing material should permanently protect the encased metal components of the earthing system, All hardware like nuts, bolts and washers should be of stainless steel. Electrode should withstand fault current upto 35 KA for 1 second. Electrodes top terminal be sealed permanently packed with conductive concrete and test link of Cu bonded MS/copper of size 50mm x 6mm x 200mm shall be taken out to connect the equipment. Test certificate of NABL laboratory shall be submitted by the contractor. Making RCC pit and cover including brazzing of all the joints upto the test point complete including taking out/dismantling old unserviceable conventional earthing accessories, strip, pipe, test point etc complete all as specified and and as directed by Engineer-in-charge Make :- Elancrete/ Vasconite/ Electroguide

Note :- (i) Test certificate of earthing material for fault current, rohhs compliance, resistivity value from NABL Certified/ CPRI lab is must and shall be submitted by the contractor and it has to be verified by GE. (ii) Test Reports should not be more than 5 years old. (iii) No pre cast electrodes to be used. (iv) Earth testing arrangement at site should be done by the contractor as per direction of Engineer-in-charge.

Material and labour for cutting of road/floor etc any type not exceeding 0.15m wide and exceeding 0.15 m but not exceeeding 0.3m in depth for taking out earth conductor, pipe and for relaying new upto required depth complete all as specified and as directed. Note :PCC for making good disturbed surface will be measured and paid separetely.

Material and labour for GI strip 32 x 6mm as Earth continuity conductor or main earthing lead drawn through pipe or any other indicated situation for loop earthing etc. complete all as specified and as directed by Engineer-in-Charge. Note :- (i) Conduit/pipe as required, same shall be measured & paid separately under appropriate item of this BOQ

Taking out old unserviceable under ground LT XLPE/PVC cable of any size from trenches/wall/roof/road/pipe/pole including taking out of brick layer and sand from trenches etc and removing from site complete all as specified and as directed by Engineer-in-Charge. (Earth work shall be measured and paid separately under appropriate item of BOQ).

Supply and laying XLPE LT Cable of size 10 Sqmm, 2 core, 1100 Volt grade heavy duty with XLPE insulated, stranded aluminium conductor served with an inner sheathening of PVC tape and armoured with Galvanized steel strip or wire and over all PVC Sheathed stranded conductor conforming to IS- 7098 (Part-I) with latest amendments laid in trenches/fixed to wall/pole/laid in floor/passing through pipe including necessary connections and suitable size of thimbling complete all as specified and as directed by Engineer-in-charge. Note :- (i) Excavation, earth work, sand cushioning, protection cover, cutting of road and pipe shall be measured & paid separately under appropriate item of BOQ)

Supply and filling/spreading local sand cushioning, with dry and clean local tibba sand (for under ground cable in trenches/ducts for cable protection) 8 cm before laying cable and 15 cm after laying and punned to 18 cm after laying of cable in authorized width as per SSR–Part-I complete all as specified and as directed. (Note:- (i) Punned thickness shall be considered for payment purpose (ii) Approved local river dry sand free from vegetations, grass and other deleterious substances shall be used.)

Supply and laying Best quality, locally available, sub class ‘B’ bricks (Old Size) for cable protection cover, laid flat and dry in trenches over the cable , perpendicular to the direction of cable complete all as specified and as directed.

Supply and fixing/laying in replacement GI tubing, light grade (ISI marked), 40 mm bore for protection of earthing strip or cable under hardstanding/fixed along poles/wall, laid in trenches, passing under bore hole etc complete all as specified and as directed by Engineer-in-Charge. Note :- (i) Excavation, earth work or bore hole shall be measured & paid separately under appropriate item of BOQ)

Material and labour for Cable path indicator, duly engraved with 'LT CABLE 1100 VOLT' on cast iron round plate 150 mm dia and 8 mm thick with provision of 600 mm long (minimum) single leg/stand of angle iron 25 x 25 x 3 mm, welded/riveted on back side of plate, fixed and grounted in position with PCC type C-1, block of size 300mm x 300 mm x 200 mm complete all as specified and as directed.

Supply, installations, testing and commissioning factory made CPRI approved, cubical type LT panel 1100 volt grade, 50 Hz, for 415 volts, 3 phase, 4 wire AC supply outdoor KIOSK type of suitable size with provision of double doors with locking arrangements, free standing, floor mounting type, dust, weather and vermin proof made out of CRCA powder coated sheet 3.15 mm thick for load bearing and 2 mm thick for non load bearing, machine pressed, fully compartmentalised, with IP-54 protection all as per conforming to IS: 2417 of 1962 complete with and including 50x50x5 mm thick angle iron for frame and legs, 04 Nos. legs 750 mm long 450 mm grouted in blocks of PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) with 300 mm ground clearance, including painting to MS angle frame with two coats synthetic enameled paint over a coat of red oxide primer, complete prewired including all connections/control wiring incoming/out going with suitable size of copper conductor cable single core with suitable size of thimbles, comprising of following accessory, including dismantling and taking out old unserviceable existing panel any size complete all as specified and as directed by Engineer-in-charge :-

Aluminium strip bus bars with colour code PVC insulation 150 Amps capacity FP mounted on epoxy insulators - 01 Set

MCCB 4 pole 415 Volt, 100 Amps, 16KA, Adjustable thermal and adjustable magnetic setting , Ics = 100% Icu - 01 No (incoming)

MCB C curve, TPN 63 Amps, 10KA - 03 Nos (outgoing)

MCB C curve, SPN 40 Amps, 10KA - 10 Nos (outgoing)

Indicating lamps LED type (RYB) -01 set of three.

Danger notice plate for LT with conventional skull and bones duly rivetted/pasted to the panel board door.

Note : Drawing of panel shall be submitted by contractor before fabrication for approval of GE.

Supply, installations, testing and commissioning factory made CPRI approved, cubical type LT panel 1100 volt grade, 50 Hz, for 415 volts, 3 phase, 4 wire AC supply outdoor KIOSK type of suitable size with provision of double doors with locking arrangements, free standing, floor mounting type, dust, weather and vermin proof made out of CRCA powder coated sheet 3.15 mm thick for load bearing and 2 mm thick for non load bearing, machine pressed, fully compartmentalised, with IP-54 protection all as per conforming to IS: 2417 of 1962 complete with and including 50x50x5 mm thick angle iron for frame and legs, 04 Nos. legs 750 mm long 450 mm grouted in blocks of PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) with 300 mm ground clearance, including painting to MS angle frame with two coats synthetic enameled paint over a coat of red oxide primer, complete prewired including all connections/control wiring incoming/out going with suitable size of copper conductor cable single core with suitable size of thimbles, comprising of following accessory, including dismantling and taking out old unserviceable existing panel any size complete all as specified and as directed by Engineer-in-charge :-

Aluminium strip bus bars with colour code PVC insulation 150 Amps capacity FP mounted on epoxy insulators - 01 Set

MCCB 4 pole 415 Volt, 100 Amps, 16KA, Adjustable thermal and adjustable magnetic setting , Ics = 100% Icu - 01 No (incoming)

MCB C curve, TPN 40 Amps, 10KA - 03 Nos (outgoing)

MCB B curve, SPN 40 Amps, 10KA - 07 Nos (outgoing)

Indicating lamps LED type (RYB) -01 set of three.

Danger notice plate for LT with conventional skull and bones duly rivetted/pasted to the panel board door.

Note : Drawing of panel shall be submitted by contractor before fabrication for approval of GE.

Disconnecting of electric incoming and out going connections from existing LT panel, Material and labour for preparation complete surface externally and exposed surface internally of LT panel by scraping down old paint, cleaning all dust / spoil and greasy spots and smoothening the surface by rubbing with emery paper so as to make it ready for painting including minor repair by welding work and replacement of hinges, hasp and staple and locking arrangements in panel doors where ever are broken/required, after preparation the surface applying two coats of synthetic enamel paint to LT panel externally and exposed surface internally by spray gun as per existing shade or as directed. After painting reconnecting all incoming and out going electric supply and connections including necessary minor repair/loose connection/replacement of thimbles, copper conductor cable as per existing size (internal wiring), nut/bolts if required, complete all as directed by Engineer-in-Charge.

Supply and fixing in replacement MCB ‘C’ curve AC supply, TPN 63 Amps, with over load and short circuit protection and rupturing capacity not less than 10 KA, including thimbles, screws etc, fixing in existing DB/Panel including making incoming, outgoing connections and testing complete all as specified and as directed .

Supply and fixing in replacement MCB ‘C’ curve AC supply, SPN 40 Amps, with over load and short circuit protection and rupturing capacity not less than 10 KA, including thimbles, screws etc, fixing in existing DB/Panel including making incoming, outgoing connections and testing complete all as specified and as directed .

Material and labour for Earthing complete with galvanised iron earth plate electrode of size 600 x 600 x 6 mm buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 metre below normal ground level, connected to and including GI earthing strip of size 32 x 6 mm flat by means of GI bolts/nuts/washers, protected by 40 mm bore GI light grade pipe upto and including test point made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos- 8mm dia 25mm long hex head screw. Earth plate shall be surrounded by alternate packed layer 15 cm thick of charcoal or coke and common salt all around bottom and top. 20 mm bore GI medium grade pipe for watering and including funnel, wire mesh, PCC chamber pit made with PCC (1:3:6) type C1 (using 20 mm graded stone aggregate) including necessary form work, excavation and earth work in any type of soil, returning filling and disposal of surplus soil to a distance not exceeding 50m, Pit cover 40mm thick made with RCC (1:2:4) type B1 (using 20 mm graded stone aggregate) including TMT reinforcement 8mm dia @ 75mm c/c both way, MS handle 12mm dia, cover rest on MS angle iron frame 40x40x6mm embeded in concrete duly painted with two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified & shown in electrical plate No. 3 of SSR 2009 (Part-I), including taking out/dismantling old unserviceable earthing system and all as directed . Note:- (i) PCC chamber shall be constructed at least 1.5 metre away from the earth electrode and pipe for watering shall be provided in slanting manner. (ii) Protection pipe and earthing strip upto test point from top of earth plate i.e. minimum 7.5 metre shall be included in the unit rate of this item. (iii) The earth testing arrangement should be done by the contractor as per direction of Engineer-in-charge.

Taking down carefully surface/concealed copper/aluminum point wiring (light, fan, socket or power point) complete including fixture and fittings such as switches, ceiling rose, pendents, sockets, regulator, light fitting etc including conduit/casing caping any type with junction box, elbow complete all as specified and as directed by Engineer-in-Charge.

Material and labour for concealed Flame proof Point wiring (using red, black and green colour wires as colour coding for single phase circuits) complete with 1.5 Sqmm (nominal cross section area) FRLSH PVC insulated unsheathed and multi strand copper conductor cable 1100 volt (ISI marked) for main point and for continues as earth wire connected to earth dolly etc. (Phase, netural and earth wire) drawn through and including ERW rigid conduit stove enamelled conduit with all flame proof fittings and all accessories i.e. pipe bend, union socket, reducer, elbow, pipe hook, connectors etc, for light/fan points including cutting chases in wall and making good disturbed surfaces of walls/ceiling/floors etc. by using CM (1:3) complete all as specified and as directed. Note :- (i) 2 point circuits shall be controled by one rotary switch / MCB fixed in existing DB (ii) Rotary switches, junction box, MCB shall be measured and paid separately under appropriate item of Sch A/BOQ).

Material and labour for surface Flame proof Point wiring (using red, black and green colour wires as colour coding for single phase circuits) complete with 1.5 Sqmm (nominal cross section area) FRLSH PVC insulated unsheathed and multi strand copper conductor cable 1100 volt (ISI marked) for main point and for continues as earth wire connected to earth dolly etc. (Phase, netural and earth wire) drawn through and including ERW rigid conduit stove enamelled conduit with all flame proof fittings and all accessories i.e. pipe bend, union socket, reducer, elbow, pipe hook, sadles, clamps, connectors etc, for light/fan points including and making good disturbed surfaces of walls/ceiling/floors etc. by using CM (1:3) complete all as specified and as directed. Note :- (i) 2 point circuits shall be controled by one rotary switch / MCB fixed in existing DB (ii) Rotary switches, junction box, MCB shall be measured and paid separately under appropriate item of Sch A/BOQ).

Material and labour for Flame proof Point wiring (using red, black and green colour wires as colour coding for single phase circuits) complete with 1.5 Sqmm (nominal cross section area) FRLSH PVC insulated unsheathed and multi strand copper conductor cable 1100 volt (ISI marked) for main point and for continues as earth wire connected to earth dolly etc. (Phase, netural and earth wire) drawn through existing conduit for light/fan points complete all as specified and as directed. Note :- (i) 2 point circuits shall be controled by one rotary switch / MCB fixed in existing DB (ii) Rotary switches, MCB shall be measured and paid separately under appropriate item of Sch A/BOQ).

Supply and fixing Flameproof junction box LM6 protection, 3 way including accessories suitable for 20mm ERW pipe in wiring complete all as specified and as directed by Engineer-in-charge.

Supply and fixing Flameproof junction box LM6 protection, 4 way including accessories suitable for 20mm ERW pipe in wiring complete all as specified and as directed by Engineer-in-charge.

Supply and fixing in replacement (concealed in wall) factory made Flameproof DB duly painted, 12 Way, SPN, dust and vermin proof including operating knob, cable glands, earth bar, bus bar with all accessories and comprising of the following including taking out old unserviceable existing DB any type complete all as specified and as directed.:- (i) MCB C curve, SPN 32 Amps, 10KA - 01 No (incoming) (ii) MCB C curve, SP 6 Amps, 10KA - 10 Nos (outgoing)

Supply and fixing in replacement (concealed in wall) factory made Flameproof DB duly painted, 08 Way, SPN, dust and vermin proof including operating knob, cable glands, earth bar, bus bar with all accessories and comprising of the following including taking out old unserviceable existing DB any type complete all as specified and as directed.:- (i) MCB C curve, SPN 32 Amps, 10KA - 01 No (incoming) (ii) MCB C curve, SP 6 Amps, 10KA - 06 Nos (outgoing)

Supply and fixing in replacement CMRI certified flameproof/weather proof 16 Watt LED bulkhead fitting wall/surface mounted or recess in wall/roof, well glass luminaire suitable for RF LED lamp, recommended for Gas/Vapour group of IIA & IIB and zone 1 & 2, IP65 protection, Epoxy finish LM6 die cast aluminium housing with heat resistant toughened glass, including inbuilt electronic driver, 2 kv surge protection, internally pre-wired, LED lamp, connector block etc complete with all other accessories and including making electric connection connecting with twin core twisted flexible copper conductor cable (flame proof) and making good disturbed surfaces of walls/ceiling etc. by using CM (1:3) including taking down old unserviceable light fitting any type complete all as specified and as directed by Engineer-in-Charge. Make : Crompton / Bajaj /Shyam Switchgear Pvt Ltd/Sudhir Switchgear Pvt Ltd

Supply and fixing in replacement rotary switch Flameproof including terminal box LM6, 16A single pole 250V including taking out old unserviceable switch and box complete all as specified and as directed.

Material and labour for Earthing complete with galvanised iron earth plate electrode of size 600 x 600 x 6 mm buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 metre below normal ground level, connected to and including GI earthing wire of size 4 mm dia by means of GI bolts/nuts/washers, protected by 15 mm bore GI light grade pipe upto and including test point made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos- 8mm dia 25mm long hex head screw. Earth plate shall be surrounded by alternate packed layer 15 cm thick of charcoal or coke and common salt all around bottom and top. 20 mm bore GI medium grade pipe for watering and including funnel, wire mesh, PCC chamber pit made with PCC (1:3:6) type C1 (using 20 mm graded stone aggregate) including necessary form work, excavation and earth work in any type of soil, returning filling and disposal of surplus soil to a distance not exceeding 50m, Pit cover 40mm thick made with RCC (1:2:4) type B1 (using 20 mm graded stone aggregate) including TMT reinforcement 8mm dia @ 75mm c/c both way, MS handle 12mm dia, cover rest on MS angle iron frame 40x40x6mm embeded in concrete duly painted with two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified & shown in electrical plate No. 3 of SSR 2009 (Part-I) including taking out/dismantling old unserviceable earthing system and all as directed . Note:- (i) PCC chamber shall be constructed at least 1.5 metre away from the earth electrode and pipe for watering shall be provided in slanting manner. (ii) Protection pipe and earthing strip upto test point from top of earth plate i.e. minimum 7.5 metre shall be included in the unit rate of this item. (iii) The earth testing arrangement should be done by the contractor as per direction of Engineer-in-charge.

SOM BUILDERS

B B BUILDERS

GAURI SHANKAR AGGARWAL