|
| 1 | Rates shall include Supply, Installation, Testing and Commissioning of all the items mentioned below and detailed scope of Work & Technical Specifications as per NIT. |
| 2 | FRP Cooling towers of 907184.74 kcal/hour (300 TR) heat rejection capacity, flow capacity of 275 m3/h, condenser Water Inlet/Outlet Temp. 36.4 /32.2 oC, Design ambient WBT- 28.2 oC, Design Approach- 3.9 oC with assembly with FRP water basin of not less than 300 mm height, PVC fillings with integral louvers and drift eliminators com-plete with hot water basin / PVC header fitted with spray nozzles, statically and dynamically bal-anced axial flow type driven through reduction gear box fan single/multiple- with TEFC induction mo-tor, air inlet screen, drain connections with valve, suitable inspection SS ladder, access arrangement for cooling tower interior, fan blades & hub as-semblies, fan casing, water distribution system, wa-ter outlet S.S screen, heavy duty FRP side panels, fan guard, internal support, inlet & outlet flanges etc. CTI certified andas per specification and technical data sheet. |
| 3 | Foundation made of RCC pillars / beams of suita-ble size and number (Cooling tower will be in-stalled at 3 ft high from water tank roof level) suitable for Cooling Tower as per Manufacturer\"s design. M.S. Tor Bar Jaal, 150 mm grid made of 8 mm minimum dia M.S. tor bars, made with water proof cement: sand: concrete mixture 1:1.5:3, properly leveled and 12.5 mm thick plastered with water proofing cement. Duly painted with water proofing paint. |
| 4 | Steel C- Channel base, Heavy Duty Hot Deep Galvanized Steel, Size-200x75x8 mm, bottom flange shall be grouted on RCC beams with 5/8” Dia bolts, Top flange shall be bolted to Cooling tower bottom ends. Intermittent support grid of 750 mm of L- Section-50x50x6 mm shall be provided including one coat of epoxy primer and two coats of Grey Shade epoxy paint. Suitable for item no. 1.01 |
| 5 | Local on / off push button control of cooling tower fan motor on cooling tower for each tower including weather proof (IP55) FRP / PVC box and controls. Cable as per item rate -1.14.1. |
| 6 | MS Pipe, ERW, Black, Heavy Class, 6.35 mm thick, IS 3589 including fittings like tee, bends, reducers, necessary clamps, vibration isolators but excluding valves, strainers, gauges, flanges and welding of all joints as per specifications and as required of following sizes: 8\" NB Size |
| 7 | M.S. Flanges, rating – 150 lbs, ANSI B16.5, RF-serrated type including gaskets, bolts, nuts & washers etc. as required as following: 8\" NB Size |
| 8 | Butter fly Valve shall be as per IS 13095:2020 with CI body, SS-304 disc (CF8), Black Nitrile Liner, AISI 410 shaft, lever operator and PN -16 pressure rating. 8\" NB Size |
| 9 | Bituminous wrap of 3 mm thick conforming to IS: 10221 over the pipe for the following sizes: 8” NB Size |
| 10 | Anti corrosive Painting: Exposed metal surface of pipes must be applied with one coat of red-oxide primer & two coats of PU enamel paint of Approved shade. 8” NB Size |
| 11 | Wall Mounting Pipeline Support:Including MS-C-section (75 mmx 40mm x 4.5mm), U-Clamps of 8 mm diameter, Anchor fasteners (nut, bolt and washer), Rubber padding of 3 mm thick and Painting (one coat primer + two coat synthetic enamel) etc. |
| 12 | Star-Delta starters of suitable capacity and number suitable for the quoted cooling towers fans (2 no. of 20 HP) with MCCB, contactors, timer, O/L re-lay, single phase preventor, On-Off indications, push buttons, VAF Meters etc complete as re-quired. To be replaced into the existing cubical after dis-mantle of old parts. |
| 13 | VFD drive of suitable capacity for above cooling tower fan motor speed control including VFD drive, temperature sensors, associated required changes / components in electric starter panel etc. (This shall be installed with existing Star Delta Starter.) |
| 14 | Industrial Glass Thermometer, Range 0-50 Deg C, Size- 3/4” BSPT, M.S. Long Threaded Heavy-Duty Socket welded on pipe, long heavy-duty bellow made from brass bar. |
| 15 | Power Cable XLPE insulated PVC sheathed, steel / wire armoured, cables of following sizes for electric from supply main panel to various loads including interconnections from starters to motors on suitable cable trays /supports, including suitable double compression glands, Terminal lugs, connec-tions etc. as per specifications as required:3 core x 16 sq mm aluminium conductor, 1.1 kV rating for cooling towers (specifications as above) in existing cable tray |
| 16 | Power Cable XLPE insulated PVC sheathed, steel / wire armoured, cables of following sizes forelectric from supply main panel to various loads including interconnections from starters to motors on suitable cable trays /supports, including suitable double compression glands, Terminal lugs, connec-tions etc. as per specifications as required: 4 core x 1.5 sq mm copper conductor, 1.1 kV in ex-isting cable tray (specifications as above) |
| 17 | Dismantle of old cooling tower of 300 TR each in-cluding foundation, electrical connections, piping disconnections etc |
| 18 | Dismantle of old M.S. Pipe of 8” NB. |
| 19 | Demolishing cement Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix concrete man-ually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - In - charge. |
| 20 | Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means of any width & dimension etc.including getting out, back filled & disposal of surplus earth lead upto 200 m & lift upto 1.5 m, as directed by Engineer- In-charge |
| 21 | Re-filling available excavated earth , boul-ders/stones, concrete debris(excluding rock ,laying within range of 400 mtr) below plinth, , the con-crete floor ,C.C pavementsetc. in layers not ex-ceeding 20cm in depth, consolidating each deposit-ed layer by ramming and watering. |
| 22 | Providing and laying in position cement concrete of 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size) grade. |
| 23 | Brick work with common burnt clay F.P.S (nonmodular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1.4 (1 cement : 4 coarse sand) |
| 24 | Discount offered for the buyback of scrapped 8” NB M.S. Pipeline and disposal of same out of IU-AC campus. |
| 25 | Discount offered for the buyback of 2 nos of scrapped old cooling towers of 300 TR (each) Heat Rejection capacity on as is where is basis up-to the nearest pipe flanges of cooling towers, motor termi-nation points etc. and disposal of all the scrap out of IUAC campus. |
| 26 | GST |
