Tender

Amount

Design ,supply, install, testing and commissioning of FLAME PROOF (EOT) electrically operated travelling double girder over head crane of 3 Ton capacity, class II, M5 as per IS:3177 of 1999 and IS : 807 of 2006 and other relevant Indian standards of latest versions having straight travel path, operating on 415 volts, 3 phase, 50Hz, AC and with control voltage not exceeding 110 volts, AC through low voltage transformer with independent movable pendent supported by chain having lift of hook 4.50 mtr above floor level, span as 18m (Approx) and rails (long travel length as per drawings 28m), the down shop lead up to shrouded bus bar, the motors of specified make for diferent travel should be 415V, 50Hz squirrel cage type flame proof motor of suitable HP (For Hoist motor not less than 3HP, Long travel motor not less than 1HP and cross travel motor not less than 1HP) enclosure of IP-65 as per IS:325 (1978) with suitable for frequent reversing, frequent acceleration and breaking class 'F' insulation having 40% CDF (Cyclic Duration Factor) and 150 starts/stops. The hook shall be heavy duty steel forged free to swivel & rotate with safety latch conforming to IS:3815.

Limit switches to be provided for hoisting, lowering trolley and LT & CT travel, Tensile grade, ungalvanised wire rope construction, fibre core flexible conforming to IS:2266 shall be provided. The flame proof control panel double door type with all necessary protection switch gear and relays made out of CRCA sheet having thickness not less than 2mm factory fabricated of suitable size including two coats of fire retardant epoxy resin flame proof paint over one coat of red oxide primer and flame proof pendent operated including the following:- (a) Hoisting speed - 1.50 Mtr/min with micro speed of 0.5 m/min (b) CT speed - 3.0 Mtr/min with micro speed of 0.5 m/min (c) LT speed - 3.0 Mtr/min with micro speed of 0.5 m/min (e) Hoisting height of lift 4.50 Mtrs (Approx) (f) Load cell without display indicators and hooters (g) Bay length - 28.0 Mtr (h) Operation from floor level through pendent push button system.

(i) The crane shall be tested stage wise for 25%, 50%, 75%,100% (full load) and 25% overloadis to be carried out. All materials and manpower required for the testing arrangements is demed to be included in the quoted rate and nothing extra is admissible. (j) Clerance between the centre of the gantry girder rail and the roof leg over the sanctions shall be 1000 mm. (k) Guard shall be provided all along the length with approach ladders on both the sides of crane with hand rail on both the sides of ladder at a suitable level and the ladders should have landing platforms at every 4 to 5m or less. (l) Shrouded busbar, TPN,colour coded made out of flexible copper FRLS cables, with necessary supports for fixing suitable for crane capacity 3 Ton on the same Girder complete. (m) Unit rate quoted shall be deemed to include provision of flame proof electrical wiring of suitable size in rigid metallic conduits fixed on surfaces from main switch upto electrical control panels, cranes etc. (n) Clear span and bay length specified and shown on building are only indicative. The tenderer shall visit the site and as certain exact span and bay length before qoting the rates. (o) Long travel girder rail is existing in the bldg.

(p) Dimensions,capacities/sizes of equipments/ accessories mentoned on drawing are minimum to be provided. Prior approval of Accepting Officer shall be obtained for the detailed construction drg and flameproof electrical wiring diagram of EOT crane and contractor shall incorporate only flame/spark proof components wherever required and the rates quoted above shall deemed to include such provisions and its accessories before execution of work. (q) Electrical Woks: Rate quoted by tenderer includes for provisioning of necessary suitable size and length XLPE 4 core multi strand LT UG with aluminum conductor armored cables and connections from main electrical panel to crane etc. The cables shall be laid in masonry trenches or overhead on cable trays or along with walls on suitable supports. The department will provide only power supply source for taking the connection to the EOT crane. (r) The lowest bidder shall prepare Constructional drawing including specification as per the design and submit for Approval of Accepting Officer after acceptance of the tender. (s) Any technical clarifications regarding size, capacity, rating and specification and drawings may please be clarified by the bidder from the E-4 section of this office before the Bid is submitted, he should also visit the site where the crane are being installed before submitting the Bid.

Design, ,manufacturing, supply, erection, testing and commissioning of indoor type heavy duty hand operated traveling flameproof (HOT) overhead crane, capable of handling 3 metric tonnes (MT) main hoist with centre to centre clear span not exceeding 18.0mtr, single box girder type main gantry girder with necessary steel supporting structure and crab with clear hook height of 4.5mtr from the floor of corridor all as specified complete with all assessories/equipments and painted all as per OEM specification as approved by Engr-in-charge. Note:- (a) Longitudinal travel shall be limited to 1.0 m away from the walls on both ends. (b) HOT crane shall be provided with the following movements:- (i) Capacity of crane : 3.0 Ton single box girder (ii) Clear Span : 18.00 Mtr approx. (iii) Bay lengh : 28.0 Mtr (iv) Hook height : 4.5 metres from the FFL

(c) The crane shall be tested stage wise for 25%, 50%, 75%,100% (full load) and 25% overloadis to be carried out. All materials and manpower required for the testing arrangements is demed to be included in the quoted rate and nothing extra is admissible. (d) Clerance between the centre of the gantry girder rail and the roof leg over the sanctions shall be 1000 mm. (e) Guard shall be provided all along the length with approach ladders on both the sides of crane with hand rail on both the sides of ladder at a suitable level and the ladders should have landing platforms at every 4 to 5m or less. (f) Clear span and bay length specified and shown on building are only indicative. The tenderer shall visit the site and as certain exact span and bay length before qoting the rates. (g) Clear span and bay length specified and shown on building are only indicative. The tenderer shall visit the site and as certain exact span and bay length before qoting the rates. (h) Long travel girder rail is existing in the bldg.

(j) Dimensions,capacities/sizes of equipments/ accessories mentoned on drawing are minimum to be provided. Prior approval of Accepting Officer shall be obtained for the detailed construction drg of HOT crane and the rates quoted above shall deemed to include such provisions and its accessories before execution of work. (k) The lowest bidder shall prepare Constructional drawing including specification as per the design and submit for Approval of Accepting after acceptance of the tender. (l) Any technical clarifications regarding size, capacity, rating and specification and drawings may please be clarified by the bidder from the E-4 section of this office before the Bid is submitted, he should also visit the site where the crane are being installed before submitting the Bid.

Dinesh Engineering Enterprises

M/S NRS TIIB AND CO