REPLACEMENT OF EXISTING LIFTS OF BLOCK A B AND C AT AFCB COMPLEX UNDER GE CENTRAL KOLKATA

Design supply, install, testing & commissioning of 13 passengers(884 Kg) , (G+5) lift electrically operated, fully automatic, microprocessor controlled, speed 1.5 meter/sec, lift with single speed motor 415 volts, 3 phase, AC 50Hz supply, conforming to IS-14665, suitable to serve G+ 05 upper floors with AC Variable Voltage Variable Frequency (VVVF) Regenerative (Closed loop) drive ( ACD3-MR drive) complete with all standard accessories, simplex automatic & manual dual controlled operation with/without attendant, centre opening doors with door drive (electric motor driven mechanism), sliding stainless steel doors, emergency automatic rescue device (ARD) system with standby power supply by using suitable capacity maintenance free battery, 3D infra red sensor in full height of door & built in voice announcement system in the car to announce the position of the elevator in the hoist way as the car passes or, stops at a floor served by the elevator, announcing system without hand set ( 03 Nos, one each in car, Machine room & near ground floor landing door),Battery operated emergency light & alarm complete all as specified for 13 passenger as per the details given below and including dismantling of existing BER electric driven passenger lift with machine, lift car, rope, guides, counter weight , rail, beam & door , electrical components ,mechanical components and civil components etc., complete and all existing components of lift shall be deposit to E/M store as complete all as specified and directed: (Location of lift :Block A, B & C in AFCB Complex)

Cont.... (a) Type & capacity : 13 Passenger, 884 Kgs - Gearless (b) Speed : 1.5 M/Sec (c) Type of Drive : VVVF Regenerative (Closed Loop) (d) Type of control : Microprocessor based Simplex full Collective control (e) Location of Machine Room : Top of Building (As existing) (f) Machine : Gearless Machine (g) Travel : As per existing site to serve G+5 floor (h) Serving : G+ 5 upper floors- (6 Stops, 6 landings, 6 openings) (j) Existing Well size : As existing at site. (k) Existing Pit depth : 1600 mm . (Existing Pit Depth is meeting the requirements of NBC , IS Codes and West Bengal Lift Rules. However if any modification is still required as per manufacturers recommendation the same shall be carriried out by Contractor without any extra cost to the Department) . Pit depth and overhead shall be such as to conform to the requirements of bottom clearance and top clearance as specified in IS: 14665. (l) Head Room : As per existing site. (m) Power supply : 415 volts Three-Phase, 50 Cycles AC. The entire lift equipment shall be suitable for operation at +10% to - 20% of rated supply voltage. (n) Auxiliary supply : 220 volts Single-Phase, 50 Cycles AC. (o) Earth connection : All new Earthing Points and Earth Contunity strips, connections Conductors shall be provided as per NBC, National Electrical Code and Code of Practices for Earhing. The cost of earthing and connected items shall be paid separaty under respective item of work in schedule. (p) Car Enclosure : Stainless Steel (Hairline) mirror finish body of car having minimum thickness of SS Sheet as 1.5 mm incl recessed LED light, false ceiling, as per NBC or other relevant BIS code. (q) Car Size : As per NBC 2016 or other relevant BIS code of latest edition.. (r) Flooring : 18-20mm thick granite flooring. (s) No of Entrance : One location - Front. Cont...

Cont….. (t) Car Entrance : Automatic power operated centre opening, Stainless Steel, mirror finish Door. (u) Landing Entrance : Automatic power operated centre opening, Stainless Steel, mirror finish Door. (v) Clear opening for door : As per existing site. (w) Floor Designation : 0,1,2,3,4,5 (x) Indicators : Car & Landings : Direction & Position Indicator/ call registration LEDs (y) Roping : Lift rope shall be provided as per NBC-2016 and IS 14665 - 2001 (upto date) of tensile strength not less than 12.5 tonnes/cm square and factor of safety shall be 8.6 (z) Battery operated emergency Alarm & Light shall be provided. (aa) Full height Infra-red Light Curtain Door Safety shall be provided. (ab) Press & Speak Phone shall be provided for intercom system. (ac) Fireman switch shall be provided. (ad) Emergency Automatic Rescue Device (ARD) with suitable capacity maintenance free battery shall be provided for elevation of passengers trapped in lift car during power failure between floors .The ARD shall work for 3 phase and single phase failure. (ae) Overload Protection Device, Load Weighing Device(LWD)/OSG (overspeed governors) Electronic switch shall be provided. (af) Voice announcement system in the car shall be provided to announce the position of the elevator in the hoistway as the car passes or, stops at a floor served by the elevator. (ag) Micro- Stroke illuminated push buttons shall be provided. (ah) All landing door shall be one hour fire rated. (aj) Car door lock shall be provided. (ak) Auto drive recall, Automatic Fan & light switching off arrangements shall be provided. (al) Hand Rails : Stainless steel mirror finish handrails on rear sides in car panels. Full height and full width mirror finished stainless steel (1.5mm) panel to be provided on all side above hand rails. (am) MS Pit Ladder shall be provided. Cont......

Cont….. (an) Door Operator : DC Door Operator (ao) Car operating panel : Square flush painted illuminated buttons in Stainless steel (Hairline). (ap) Car position indicator : Dot matrix (Red LED) scrolling display. (aq) Hall fixtures : 16 segment display hall button. (ar) Hall fixtures face plate : Stainless steel (Hairline). (as) Hall button arrangement : Hall button with FPI. (at) Standard Features : Anti nuisance car cell protection, overload device, nudging, independent service belt inspection device. Emergency Fireman's service. Emergency car light unit, Infrared curtain protection, door time protection, emergency alarm button, extra door time of lobby and parking, door open/close button, manual rescue operation, belt inspection drive and auto fan cut off.ON/OFF system to be synchronised with car door opening/closing system. (au) Machine room ladder , where applicable should be provided by the contractor (av) Hoist way wiring, where required shall be provided by the contractor (av) Ventilation : High powered axial flow fan with suitable air throw of 600 CFM through a duct all around the car so that uniform air flow shall be available at all side of the car. Notes (A) The system (Lift) shall be guaranteed against maintenance and repair including spares for a period of two year from the certified date of completion of this contract and the cost of these shall be deemed to be included in the unit rates quoted against the lifts . The lump sum cost of above lift shall be deemed to include cost of comprehensive maintenance in defect liability period of all the lifts provided by the contractor under this contract for a period of two year from the certified date of completion of the work of phase-I. For this, a sum of ₹ 2,00,000.00 (Rupees two Lakh only) shall be retained from the final bill of this contract till satisfactory completion of the two-year comprehensive maintenance period of lifts as certified by the GE. The amount so retained shall be released by the GE after expiry of satisfactory comprehensive maintenance in defect liability period of two years.

Cont…../- (B) The taking down of existing service lift with electrical components ,mechanical components and civil components and stacking neatly all retrieved components in presence of BOO and all material shall be deposit to MES store and making good the disturbed existing surface in machine room & well if required. The cost of same shall be deemed to be included in the unit rate quoted and nothing will be paid on this account. (C) The bidder/ tenderer shall be advised to visit existing lifts, lifts well, machine room at site, before quoting his offer and nothing will be paid on this account. (D) The quoted rate shall deemed to include the cost of minor civil works, MS Beam, MS rail with fixing arrangement including making good to the disturbed surface to match with the existing and if required scaffolding in lift shaft / lift well shall also included quoted rate. (E) The lifts shall comprise of all latest fail safe measures as specified in relevant IS Codes (IS-14665 of 2015: Part —I, IS-14665 of 2009: Part —V, IS-4591 of 2012, IS-15785 of 2007) and National Building Code – 2016 Section-5 part-8 as revised from time to time. (F) The wiring of lift shall be with copper conductor, stranded, ISI marked of suitable size. The wiring in the lift well shall be in MS conduit, ISI marked medium grade of suitable size. Suitable sockets/lights shall be provided as directed in the lift shaft. (G) If anything missed above but is technically required for efficient working of the lift is deemed to be included in the quoted rate. (H) Instruction shall be provided by the manufacturer inside and outside the car. The instructions shall be written on a metallic sheet with embossed letters matching with car decor/outside decor all as directed. (I) A board depicting manual rescue procedure to be provided at location as directed. (J) The comprehensive maintenance of lift shall be executed through OEMs or their accredited/ authorized agencies. (K) The contractor shall submit MOU with the OEMs or their accredited/ authorized agencies for comprehensive maintenance of defect liability period of Phase-I after one month of date of commencement of Phase-I. (L) The contractor shall submit MOU with the OEMs or their accredited/ authorized agencies for 05 years comprehensive maintenance of Phase-II before completion of Phase-I. (M) The quoted rate is deemed to include the above provisions as specified above.

Materials and labour for earthing as in repair complete with galvanised iron earth plate electrode 600 mm x600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtrdeep below ground level with top edge of the plate notless than 1.5 m below ground level connetced withgalvanised strip of size 25 x 4mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed by the Engr-in-Charge.

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5 m in depth for foundation, etc and getting out in soft/loose soil for laying of water supply pipe line/UG cable complete all as specified and directed.

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

Supply and laying dry coarse sand as in cushioning of under ground electric cable in trenches, laid to a uniform thickness of 23 Cm (15 Cm under the cable & 8 Cm over the cable) and gently punned down to 18 Cm thickness complete all as specified and as directed by the Engr-in-Charge. Note:- Thickness after punning down shall be measured for payment.

Removing excavated material ( soils of any type) not exc. 50 m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.