PROVISION OF SAMPLE ROOM AT CE OFFICE AND SPECIAL REPAIR TO BOUNDARY WALL NEAR PARADE GROUND AND CERTAIN LOCATION

Amount

M&L PCC 1:2:4 type B-1 using 20 mm graded stone aggregate laid to required slope incl finishing the concrete surface fair and even without using extra cement complete all as specified and as directed.

M&L Providing Pre-cast cement concrete block masonry with solid blocks, exc. 10 cm in width and setting in mortar, complete type C1 1:3:6 (20mm graded stone aggregate) set in cement mortar 1:6 complete all as specified and directed.

M&L 15 mm thick cement plaster in CM 1:4 on external surfaces on brick or concrete surfaces using waterproofing compound as per manufacturer's instructions finishing even and smooth without using extra cement complete all as specified and directed.

Supply only liquid water proofing compound of approved make all as specified and directed.

M&L Reinforced cement concrete (nominal mix) type B-1 1:2:4 (20mm graded stone aggregate) in Beams, cantilevers, bressummers, lintels,Shelves over 1.5m span complete all as specified and directed.

Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc. complete all as specified and directed.

M&L 100 mm thick, PCC 1:3:6, type C-2 using 40mm graded stone agg as in floors etc surface finished even and fair all as specified and directed

M&L 25 mm thick, PCC 1:2:4, type B1 using 20mm graded stone agg as in levelling course all as per specified and directed

S&F MS TMT bars 10mm dia and over, cut to length ,bent to shape required , including cranking , bending , spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips as in reinforcement complete all as specified and directed.

S&F MS TMT bars 8 mm and above , cut to length ,bent to shape required , including cranking , bending , spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips as in reinforcement complete all as specified and directed.

M & L Vitrified Ceramic tiles (light shade) 10 mm thick (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match and including 15 mm thick screed bed in CM 1:4 to recieve tiles complete all as specified and directed.

M & L Virified Ceramic tiles (light shade) 10 mm thick (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm, in skirting etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match and including 10mm thick backing coat in CM 1:4 to recieve tiles complete all as specified and directed.

M&L 15 mm thick cement plaster in CM 1:6 on internal surfaces on brick or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

M&L Finishing walls with textured paint of required shade : New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including priming coat of exterior primer applied @ 2.20kg/10 sqm incl wall care putty of thickness 1.5 mm finished smoothly using mechanical method all as specified and directed.

M&L Preparation of newly platered surface and appling two coat of OBD over one coat of primer and 1.5mm thick wall care putty all specified and directed.

M&L Finishing external walls with Acrylic Smooth exterior paint of required shade : over and including priming coat of exterior primer applied incl 1.5mm thick external putty complete all as specified and directed.

Providing and fixing factory made uPVC white colour Sliding window Three track (area n exc 2 sqm) made of extruded profiles with wall thickness of 2.3mm (+ -0.2mm). Window profile with hollow section with multi chamber. Frame (88mm x 52mm), sliding sash (42mm x 67mm). Sliding mesh Sash (42mm x 57mm) Sliding interlock (One vertical length in each shutters) (45.5mm x 28mm), Glazing bead (24.5mm x 16mm) will be miterd cut and fusion welded at all corners, including drilling of holes for fixing hardware and drainage of water etc., making arrangement for fixing of hardware. EPDM gasket, 1.2+ -0.2mm thick galvanised steel Frame (30mm x 18mm) 2 nos, sliding sash (30mm x 18mm), sliding mesh sash (26mm x 10mm) profile to be inserted in required profile, frame will be fixed t the wall with 8mm x 100mm long fasteners, Hardware [Touch Lock of zinc alloyed (white powder coated), steel roller system. Stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and required accessories. (Note: The unit rate quoted by contractor include cost of glass (4mm thick) and all other connected accessories. Net Opening will be measured lor payment purpose.)

S&F Providing and fixing Powder coated aluminium (minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions (Fixed portions) with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS:1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDMrubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-Charge.

S&F Aluminium anodised grill (anodised transparent or dyed to required shade according to IS:1868 with minimum anodic coating of grade AC15) of approved design/pattern(DG 104), with approved standard section and fixed to existing window frame with CP brass/stainles steel screwnot less than 50mm and @ 200mm c/c, incl cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised alu standard section ( 28mm x 19mm x 2mm thick)around the opening, all complete as per requirement and direction of EIC.

S&F 4 mm thick sheet glass ordinary quality and glazing complete in square exc 0.50 sqm in each pane complete all as specified and directed.

S&F Stainless steel wire cloth, 0.36mm nominal dia of wire and average width of aparture 1.40 mm and fixed with stainless steel wire staples complete all as specified and directed.

M&L Factory made single extruded WPC (Wood Polymer Composite) solid prelaminated shutter of 16-18mm size comprising of virgin polymer of K value 58-60 (Suspension Grade) for kitchen cabinet and front side laminated with pvc sheet of thickness n exc 1mm (Glossy finish) all as per direction of Engineer-In-Charge.

M&L 16-18mm thick BWP plywood for modular kitchen incl pvc lamination of thickness n exc 1mm thick on front side and PVC binding on edges complete all as specified and directed.

S&F ball bearing runners 500mm telescopic channel full load extension capacity of 50Kg fixed on basket and cabinet wall complete all as specified and direcetd

S&F stainless steel wire basket (bottle pull out basket) pull out type of size 100x150x750 mm of grade 304 with necessary fixing clips etc complete all as specified and directed.

S&F stainless steel wire basket (storage basket) pull out type of size 940x580x580mm of grade 304 with necessary fixing clips etc complete all as specified and directed.

S&F stainless steel wire basket (curtlery basket) pull out type of size 480x500x100mm of grade 304 with necessary fixing clips etc complete all as specified and directed.

S&F stainless steel wire saucer basket (storage basket) pull out type of size 480x500x150mm of grade 304 with necessary fixing clips etc complete all as specified and directed.

S&F stainless steel wire basket (thali basket) pull out type of size 480x150x200mm of grade 304 with necessary fixing clips etc complete all as specified and directed.

S&F 200mm long SS handle fixing bolts all as specified and directed.

S&F 100mm long SS handle fixing bolts all as specified and directed.

S&F 35mm size SS autoclosing hinge fixing complete all as specified and directed.

Roughening surfaces of old concrete floors by picking, sweeping clean and washing down with waters to remove dusts etc. complete all as specified

M & L 18-20 mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window- cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite over 20 mm thick CM 1:4 complete all as specified and directed

M&L Green marble work 18 to 20mm thick (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with marble shade of incl 20 mm thick cement mortar 1:4 complete all as specified and directed.

S&F 10mm thick Toughned glass as in hinged doors, partitions automatic doors,railing and similar work including cutting to shape, drilling holes required complete all as specified and directed.

S&F 10mm thick toughned glass frame less door incl hinges, door closer, 300 SS handles, locking arrangement etc including cutting to shape, drilling holes if required complete all as specified and directed.

M&L POP false ceiling (Double layer) fixing to the ceiling with GI framing incl 12mm thick particle board all as specified and directed.

M&L POP false ceiling with12mm thick particle board fixing to the ceiling with GI framing all as specified and directed.

M&L 4mm thick PVC false ceiling (wooden finish) fixing to the ceiling with GI framing all as specified and directed.

M&L Gypsum board of size 600x600mm fixing to the grid of same size suspended from ceiling with GI framing of suitable size complete all as specified and directed.

S&F Multicolor Polyester PVC Fabric Pergola (Retrctable canopy) incl framing and all connected items fixed all as specified and directed

S&F curtain wall coloured glazing (5mm thick) fixed to the existing wall with aluminium framing complete all as specified and directed.

Material & Labour for providing and fixing stainless steel (Grade 304) railing made of hollow tubes, channels, plates etc., including welding, grinding,buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size, on the top of floor or the side of waist slab with suitable arrangement complete all as specified and directed.

M & L Sadarhalli stone of thickness 18-20mm including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade over 20 mm thick CM 1:4 complete all as specified and directed

S&F Aluminum ACP (3mm thick) Glazing fixed with aluminium framing and joints shall be fillied with silicon sealent complete all as specified and directed

M&L for glazed ceramic coloured tiles of size 300x600x7 to 8 mm thick, on vertical surfaces, set and jointed in neat cement slurry and pointed in coloured / white cement to match the tiles inc rendering 10mm thick in CM 1:4 on fair faces of brick work or concrete surfaces as in backing coat to receive wall tiles etc complete all as specified and directed.

M&L 400x400mmx7mm thick outdoor coloured tile fixed with 20mm thick CM 1:4 screed bed complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description in ground floor not otherwise specifically provided for of any description, complete all as specified and directed.

M&L PCC 1:3:6 type C-2 (using 40mm graded stone aggregate) as in foundation filling for fencing post and mass concrete etc complete all as specified and directed.

Demolition of brick work or stone boulder/ PCC block masonry, built in cement mortar or cement lime mortar incl aii quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

M & L in walling of random rubble, uncoursed, Bangalore type masonry, well bonded bedded and solidly hearted, built in CM 1:6, extra over stone walling for hammer dressing to face stones and dressing of face beds and joints as specified, key pointing to random or polygonal rubble, uncoarsed or brought upto courses in CM 1:4, complete all as specified and directed.

Fixing only(except stone) of random rubble, uncoursed, Bangalore type masonry well bonded, bedded, solidly hearted built in CM 1:6, extra over stone walling for hammer dressing to face stones and dressing of face beds and joints as specified, key pointing to random or polygonal rubble, uncoarsed or brought upto courses in CM 1:4 complete all as specified and directed. (Note:- stone demolished under item No. 52 above shall be re-used)

M&L 10 mm thick cement plaster in CM 1:6 on fair faces of brick work/concrete etc finished even and smooth without using extra cement complete all as specified.

Racking out joints / points in cement mortar to squared rubber masonry coursed or uncoursed and including M & L keyed pointed in CM 1:4 for squared rubble masonry as specified and directed.

M&L plain cement concrete in PCC coping 1:2:4 type B1 (using 20 mm graded stone agg) including necessary form work complete all as specified and directed.

Providing in repairs plain cement concrete in PCC coping 1:2:4 type B1 (using 20 mm graded stone agg) including demolition of concrete (un reinforced) of any description and in any position not otherwise specifically provided for all as specified and directed.

S&F MS TMT bars 5mm dia and over, cut to length, bent to shape required , including cranking , bending , spirally for hooping for columns , hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips as in reinforcement and including 10mm dia in stirrups, spacers and binders complete all as specified and directed.

M&L for reinforced cement concrete M-25 (design mix) using 20mm graded aggregate for foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete all as specified and as directed.

Use & waste of formwork to rough finished surfaces of 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 batterrough finished surfaces of concrete measured flat for foundation complete all as specified and as directed.

S & F in repair concertina coil of 610mm dia (in stretched position) hot dip galvanised steel wire coated with CLR ante corrosive coating making diamond shape with the help of devotail clips (18 SWG) fixed over barbed wire with the angle iron the concertina coil is to be fixed with barbed wire at points where coil touched the bottom barbed wire with the help of hog rings (14 SWG) complete,incl removal of old all as specified and directed.

S&F in repair galvanised two strand steel barbed wire 2.24 mm dia barbed wire with 2 mm barbs at 75 mm spacing and straining and fixing to any type of standard angle rails straining bolts or welding to angle, including securing or tying at crossing with and provision of galvanised MS wire staples or steel pins etc as directed (each line wire to be measured)

M & L broken glass coping on top of walls in cement mortar 1:3 incl taking down old glass and removing the rubbish to a distance not less than 100 m and deposited where directed.

Note for item No 63 : The unit quoted rate deemed to be included for following :- (a) 25mm layer of cement mortar glass (of bottle or thick glass) broken to approximately 63mm gauge, shall be firmly embedded at the rate of 10 Kg of glass per square metre of rendered surface, jogged edges of the glass being left projecting. (b) Taking down existing glass from coping. (c) Scaffolding for execution of work and protective measures shall be taken by the contractor its own without any extra expenditure to Govt.

Dismantling of wrought iron or mild steel work of any description all as specified and directed.

M&L framed work as in gates of angle, fencing or other section with gusset plates, braces, angle section of fencing etc complete drilled for fixing of steel sheeting or other covering doors to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings 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, etc., and similar work and hanging also fastening and fixing complete conforming to Fe 290,(Gde-E-165 quality) complete all as specified and as directed.

S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both end each screwed end to be fitted with washers and one hexagonal or square nut, but length of bolt exc 10 cm and n exc 15 cm long of 5 to 10 mm dia of neck complete all as specified and as directed

M&L for preparation of new surfaces of steel or iron surfaces of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed

Site clearance by Scraping of grass/wild growth/trees n.exc 0.30m girth etc in soft/loose soil by manually/mechanically including removing of rubbish from the site to a distance exc, 250m but n. exc 500m and deposited where directed at a level not exc. 1.5m above the starting point, complete all as specified and as directed

M&L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces on external surfaces finished even and smooth without using extra cement and Taking down cement plaster on brick or stone walls, or concrete or ceilings etc., including raking out joints, hacking for key, scrubbing down with water, etc., including removal of rubbish off the premises and leaving the work clear of any plastering complete all as specified and directed.

M&L for treating with three coats of whitewash on new surfaes of walls incl neccessary preparation to give uniform and smooth finish complete all as specified and directed.

M & L for Point wiring with PVC insulated FRLS 1.5 sq mm multi stranded copper conductor cable 1100 Volts grade drawn into and including rigid non mettalic PVC conduit/casing caping medium grade not less than 19/20 mm ( ISI marked ) with all fitting and fixing accessories including sunk in pressed steel chromium plated terminal boxes, concealed/surface in wall/roofs/floor/ ceiling etc as per site requirement and making & matching the existing surface ) white bakelite sheet cover for mounting switches, Sockets, Fan regulators etc or modular cover plate with frame including sunken boxes suitable to fix modular cover plate with frame , concealed in wall or 1.5 sq mm multi stranded copper conductor cable as continuous earth wire drawn with wiring and connected to common earth dolly complete all as specified and directed for the following :- Make of wire: Polycab/Plaza/Havells Note: Blanking plate,Modular cover plate ,Switches, sockets outlets, Light fittngs, fans, bells & regulators shall be measured and paid for separetely).

All as per item No. 72 here in before but for one light point/fan/ point controlled by one way switch.

All as per item No. 72 here in before but for one 3 pin socket outet 5 Amp on the same board

All as per item No. 72 here in before but for one switch socket outlet 3 pin 5 Amps on independent board

All as per Sl No. 72 above but Wiring with 2.5 Sqmm FRLS copper multistranded unsheathed cable and 2.5 Sqmm copper cable for earth continuity conductor controlled by one 15A switch socket independently complete all as specified and directed.

Supply and Fix modular switch 1 way 6 Amp.1 module, complete all as specified and directed.Make : Legrand/ Crabtree/ Anchor/Indoasian

Supply and Fix modular Socket, 6A - 2/3 pin combined 2 module, complete all as specified and directed.Make : Legrand/ Crabtree/ Anchor/Indoasian

Supply and Fix modular switch 1 way 16 Amp.1 module, complete all as specified and directed. Make :Legrand/ Crabtree/ Anchor /Indoasian

Supply and Fix modular Socket, 16A - 3/5 pin combined 2 module, complete all as specified and directed. Make : Legrand/ Crabtree/ Anchor/Indoasian

S & F Modular fan regulator 120W, 2 Module for ceiling fan complete all as specified and directed Make : Legrand/ Crabtree/ Anchor/ Indoasian

S & F ceiling rose 3 phase/PVC/polycarbonate, isolated body complete all as specified and directed Make : Anchor/Havells/L&T/ Indoasian

Supply and fix White cover plate with frame,2/3 module

Supply and fix White cover plate with frame,4 module

Supply and fix White cover plate with frame,12 module

Supply and fixing of Ceiling fan 1200mm sweep, energy efficient BLDC ISI mark with 5 star rating 230 Volts AC 50 Hz with remote operation, single phase including provision of fixing arrangement, nut and bolt and flexible 3 core of size 1.5 sqmm not less than 0.5 m long complete including taking down existing one, writing MES No with synthetic enamel paint all as specified and as directed. Make : Havells/ Bajaj/ Orient.

M&L for sub main wiring with PVC insulated unsheathed FRLS cable 1100 volts grade multi stranded copper conductor cable 2 runs of 4 Sqmm drawn through in and incl suitable size surface PVC casing caping/ PVC Conduit and all accessories fixed to wall/floors along with 4 Sqmm surface PVC insulated unsheathed copper conductor multi stranded cable 1100V grade as earth continuity conductor and connected to common earth dolly complete all as specified and as directed. Note: (a) 2 runs of 4 Sqmm cable along with one run of 4 Sqmm cable for earth conductor shall be measured as one length complete all as specified and directed. Make:- Havells/ Polycab/ Plaza.

S&F factory made powder coated distribution board VTPN, 4 way double door MCCB DB including bus bar, Neutral bar, standard DIN rail, earth bar complete complete all as directed. Make : Indoasian/ Havells/ Legrand.

S&F distribution board MCCB four pole, 100 Amp ultimate breaking capacity 16 KA conforming to IEC -61439-1, complete all as specified and directed. Make : Legrand/ L&T/ Indo Asian

Supply & fix metal clad switch socket single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20A concealed in walls complete all as specified and as directed. Make : Havells/ Indo asian/ Legrand

Supply and Fix of recessed mounted Square/Round for LED 20 Watt downlights made of extruded Aluminium housing and high power LED light source with Driver clear diffuser with separate electronic driver with complete accessories all as specified and directed.Make : Philips/ Bajaj / CG/Havells.

S&F of LED profile light 20 watt/ mtr 220 Volt with LED strip (WW,WH) , complete all as specified and as directed .

S&F 35/36 W( WH) LED recessed type 2x2 ft luminaire with classic design, glare free soft illumination with sensor based housing with white high reflection powder coated (RAL9016) CRCA sheet. Glare free, Opal diffuser for symmetrical light distribution fixed in separate CRCA sheet frame held in with housing by screws for easy maintenance. High efficiency long life LED package in integral module with lumen efficacy of >100 lm/w, viewing angle of 100° to ensure better uniformity. Powered by an independent Isolated, SELF Output electronic LED driver (SMPS based constant current supply) efficiency of 85% with built-in Surge protection 3Kv. System Lumen Output of 3000 lumens. Make : Philips/ Bajaj /CG/Havells.

S & F of MCB single pole 240 volts 6 to 32 Amps suitable for 'C' curve, 10 KA complete all as specified and as directed.Make : Legrand/ L&T/ Indo Asian.

S&F of LED Strip light 20 watt/ mtr 220 Volt RGB with driver and remote complete all as specified and as directed .

S & F of MCB SPN 240 volts 32 to 40 Amps suitable for 'C' curve, 10 KA complete all as specified and as directed .Make : Legrand/ L&T/ Indo Asian.

Supply and Fix of recessed mounted Square/Round for LED 10 Watt downlights made of extruded Aluminium housing and high power LED light source with Driver clear diffuser with separate electronic driver with complete accessories all as specified and directed.Make : Philips/ Bajaj / CG/Havells.

Excavation in trenches not exceeding 1.5 mtr in width and not exceeding 1.5 mtr in depth for laying of cables up to proper level and laying of pipelines etc in soft/loose soil and getting out, complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm thick, complete all as specified and directed.

Removing surplus excavated material (soil) not exc 50 meter and depositing where directed at a level not exc 1.5 meter above the starting point, complete all as specified and directed.

Material and labour for Spreading ribbed soil in trenches as in cable cushioning all as per IS 1255-1983, complete all as specified and directed. Note :- (i) Excavated approved soil shall be ribbed by using sieve to separate composite particles etc. as per IS and refilling in trenches before laying of cable 8 CM and 15 CM after laying of cable. This is then gently punned down to a depth of 10 cm above the top of upper most cable (ii) For the purpose of measurement only punned thickness shall be considered for payment.

Material and labour for well burnt bricks ‘B’ class as mechanical protection to under ground cables laying with length of the bricks equal to the width of the trench, complete all as specified and directed.

Material and labour for Cutting existing road/PCC/Drain for laying of GI or any type of pipe including necessary earth work, excavation exc 600mm depth but not exc 1mtr depth, 800 mm wide including making good existing surface with 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate, complete all as specified and directed. Note :- The tenderer shall take into consideration for following points while quoting rate for this item and the unit rate is deemed to be inclusive for :- (i) Earth work and excavation in any type of soil (ii) Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick ,complete all as specified and as directed. (iii) Removing excavated material out side MD land. (iv) Laying of any type/any bore of pipe in trenches including taking down existing unserviceable pipe. Supply of pipe shall be measured and paid separately (v) 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate as in road to make good existing disturbed surfaces.

Supply only of GI pipe light grade for cable protection of size 50mm bore with fittings, complete all as specified and directed.

Material and labour for 3 ½ core 35 Sqmm XLPE insulated heavy duty electric cable with aluminium multi stranded conductor 1100 volts grade served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall sheathed laying in trenches/cable ducts, fixed to wall/pole etc, complete all as specified and directed. Make : Havells, Polycab, RPG Asian

Supply, installation, testing & commissioning of maintenance free chemical earthing system comprising of 17mm dia copper bonded rod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 Kg earth energizer compound and 10 litres earth resistance reducing liquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 A by any NABL accredited lab. The above mentioned rod shall be installed in 4-6 inch bore, 12 feet depth with a distance of minimum 3 meters between each installation complete all as specified and directed. Make : Model HTSP 317 of safeTrode or equivalent in Snaga/ Cubes 6 Global

The quoted rate shall also deemed to be included the following :- (i) Prior to installation of maintenance free chemical earthing, soil resistivity test to be carried out at the location where earthing work to be done in presence of Engr-in- Charge/JE (E/M),user and the report has to submit to Garrison Engineer with recommendation of manufacturer, if required additional interconnection of earthing (not more than 08 number of earthing) to achive earth result less then 1 Ohms. The arrangement done for soil resistivity testing and submission of report with recommendation deemed to be included in the quoted rate.

(ii) The description/ size/ qty of items mentioned in above are for indicating only however qty/ size may vary at site condition to maintain the earth resistance 1 ohm. The contractor shall quote rate by considering all factors.

(iii) Rate of earth energizer compound of 25 Kg of 02 bags and earth resistance reducing liquid 10 litre per cane for each pit deemed to be included in the quoted rate.

(iv) Resistivity of earth energizer compound and resistance reducing earthing liquid shall be certified by any NABL accredited lab carried out as per IEC-62561-7 read with ASTMG57-06, CI-3.4A and the certificate of same shall be submitted by the contractor along with the sample approval

(v) Earth enhancing material should not leach into the adjacent soil or underground water channels and its PH value should be in neutral range complete all as specified and as directed. It should solidify when mixed with water and set like concrete.

(vi) Copper strip of size 20 x 3 mm shall be fixed on proper post insulator at the instrument end (copper strip upto 7.5 RM shall be considered in unit quoted rate and extra will be measured and paid separately).

(vii) Testing of earth shall be carried out in presence of departmental and user representative and report shall be submitted to Garrison Engineer duly signed by all concerned.

(viii) Earth resistance tester will be provided by the contractor. Tester should be calibrated from authorised company/ lab.

(ix) Earthing shall be tested after completion of work by the contractor in presence of Engr-in-charge, user and proper record shall be maintained duly signed by all concerned. After testing if the desired earth resistance of less than 1 Ohm is not obtained, the earthing will be redone at no extra cost to Govt. till desired result is obtained.

(x) The contractor shall give a written guarantee of minimum three years for maintaining the earth resistance less than 1 Ohm after certified date of completion.

(xi) No further maintenance or periodic watering or recharge shall be required in earthing during its guarantee period of over 03 years in all type of soil including soft/ disintegrated or hard rock.

(xii) During the guarantee period, if earth resistance is not maintained less than 1 ohm the contractor has to redo or rectify at no extra cost to Govt till desired result is maintained.

(xiii) A security deposit of value equal to 2.5 % of the rate quoted for chemical earthing for each earthing shall be retained from payment due to the contractor from final bill for the guarantee period.

(xiv) The electrode shall carry manufacturer's name .

(xv) The connection clamp shall be permanentlly welded to the copper bounded rod to avoid any kind of connectivity loss,.The pre-welded copper bounded rod shall not need any additional clamp for termination.

(xvi) The acceptable earth resistance at earth busbar/ test point shall not be more than 0.1 ohm.

(xvii) Earth work such as auguring and making good the surrounding area shall carried out in any type of soil.

(xviii) The contractor shall submit CPRI India certified document for copper bounded rod to ensure genuineness of material.

(xix) Sign board of mild steel sheet 2 mm thick duly painted with two coats of synthetic enamel paint over a coat of red oxide Zinc chrome primer showing result of earthing shall be fixed near the earth pit after completion as directed by engr -in- charge.

M&L Earth pit cover made of heavy duty poly plastic of high grade polypropylene tested and certified by any NABL accredited lab for load bearing capacity not less than 7.2 tonnes with top dia not less than 250mm, bottom dia not less than 330 mm and height not less than 260 mm for each electrode pit, including taking down old u/s earth pit cover, complete all as specified and directed.

S&F in repair copper strip 20 x 3mm thick as earthing lead fixed to wall/roofs etc complete all as specified and directed. Note : - All Joints should be joined by Exothermic Welding or Brazing.

Note :- An amount of Rs 92,500.00 on account of credit schedule for schedule 'A' part II shall be deducted from the total amount of BOQ to arrive at the contract sum.

SREE BUILDERS (BID ID -3497422)

M/S SRI BALAJI ENTERPRISES (BID ID -3498935)

LAKSHMI CONSTRUCTIONS (BID ID -3499969)

devan enterprises (BID ID -3498530)

T C KARUNANITHI (BID ID -3495738)

s v m construction building & engineers (BID ID -3495564)

OM ENTERPRISES (BID ID -3498229)

P K CONSTRUCTIONS (BID ID -3501812)

ARUNOTHAYA TRADERS (BID ID -3501964)

Moulya Builders (BID ID -3498990)

SRI MAHALAKSHMI CONSTRUCTIONS (BID ID -3500141)