Chennai Metropolitan Development Authority Tender
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Chennai Metropolitan Development Authority Tender
Civil And Construction
Eprocure
Opening Date29 Jul 2022
Closing Date11 Aug 2022
Tender Amount₹ 6,13,45,835
Costs
EMD
₹ 3,41,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2022_CMDAC_244111_1Bid Award Id
ViewTender No
3/2022-23Tender Authority
Chennai Metropolitan Development Authority ViewPurchaser Address
-Website
http://tntenders.gov.in
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Documents
Additional Documents
BOQ Items
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1.0 mm thick GSS ducting (20G) – factory fabricated & Assembled
909
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0.8mm thick GSS ducting (22G) – factory fabricated & Assembled
10
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0.63mm thick GSS ducting (24G) – factory fabricated & Assembled
10
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Supply, installation testing & commissioning of UL 555S certified fire damper , constructed with outer shell of 1.6mm thick galvanized steel frame and the blade/Leaf with 1.6mm thick GSS. And with necessary sleeves & flanges for connection as per specifications.
112.5
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Fire dampers with limit switch for position feedback. The dampers to be rated for 120 minutes fire rating and the dampers shall be of spring return type. Fire damper to be provided with matching flanges on both sides. Fire dampers should be supplied with extended fire rated sleeves subject to site conditions and the damper shall be leakage class:1 ( 8 cfm @ 4 inch w.g)
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With Spring return Actuator working on 24V. AC/DC, 0 TO 10V DC signal for BMS , and for each fire damper should be supplied with necessary High torque Spring return type Actuator,temperature sensor & control panel. The control panel with step down transformer, indicator, relays provision for remote control operation etc, as per drawings & specifications. The control panel should be capable to operate the damper through BMS for remote control operation & monitoring.
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Each Fire Damper Control Panel shall be electronic type. Each control panel should control with below features.
a) Control Panel should trip upon the input from Smoke Detector, External Fire panel / BMS with Auto Reset option, b) Interlocking of Ventilation fans with timer for Reset c) Control panel should show the status (Open / close) of individual fire damper upto 4 motorized damper
d) suitable torque for the fire dmper shall be selected by the vendor for easy operation and Technical data sheets for the Actuator along with torque submitted for our approval. indicative torque shall be follows:
below 500mm X 500 mm - 4 Nm
600 mm X 600 mm - 6 Nm
more than 600 mm X 600 mm - 20 Nm
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Actuators
68
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Control Panel
20
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Supply and installation of following sizes GI perforated type cable rack system made out of sheet steel folded to required shape with adequate number of supports.
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75mm x 40mm (For jet fans)
4000
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150mm x 50mm (For jet fans)
2200
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300mm x 50mm (For jet fans)
1000
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450mm x 50mm
150
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Supply and fixing of MS channel and support work for installation of fans with one coat of primer and two coat of enamel paint.
1000
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Supply, installation,testing and commissioning of AMCA certified Ductless Ventilation Jet Fans suitable for normal ventilation and smoke extraction in case of fire as per specifications. Complete fan assembly with its casing, impeller & motor shall be sourced from single manufacturer and certified as tested for smoke extraction application at minimum 250 deg C for 2 hours. The casing shall be GSS construction. The motor shall be Dual Speed, suitable for 3 phase, 50 Hz, 415V. The fans shall be complete with silencers as described in specifications.(considered low height jet fans for basement).The quoted rate shall also inclusive for preparing and submission of CFD analysis in soft and hard copy for the ventilation system for basement I & II. The analysis report shall provide details of air movement and coverage in both normal & fire mode in 3D modeling ,simulation,inlet air openings ,ehaust iopenings,exhaust louvere,co sensor,time taken for smoke evacuation,velocity, Co level in ppm or mg/m3 etc.. Control panel GA drawing to be submitted for client approval prior to procurement
114
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Supply & installation of CO detection sensor
120
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Supply,installation testing and commisioning of Electrical panel with PLC based control panel with starters along with Veriable Frequency Drive (VFD) (make: Danfoss F101 or equivalent) rating for all ventilation fans & jet fans suitable for motor rating of the selected fans with the controller compatible for BMS Connectivity.Two feeders from each like jet fan/co sensor & exhaust fan for each basement shall be provided additional to the below provision.The panel shall have suitable switch gear like MCCB as incomer of suitable rating along with bypass arrangement for the VFD in a weather proof enclosure. The PLC shall be programmed for operation of the fans in normal as well as fire mode incorporating feedback and control based on the output of the CO sensor. The panel should also include a potential free contacts.All accessories necessary for fixing the panel shall be included in the cost of the panel. Control panel GA drawing to be submitted for client approval prior to procurement
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Basement 1 with provision of minimum 36 nos jet fans but not limited as per CFD analysis requirement ,18 co sensors and 6 exhaust fans
2
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Basement 2 with provision of minimum 36 nos jet fans but not limited as per CFD analysis requirement ,18 co sensors and 6 exhaust fans and 6 fresh air fans
2
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Supply,installation and testing and commisioning of Electrical Isolator starter panel (vane axial) for Fresh air & exhaust fans
30
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Supply and installation of 6C X 1.5 sqmm FRLS control cables from jet fans to the PLC panel
6200
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Supply and installation of 2C X 1.0 sqmm FRLS shielded control cables Co Sensor to the PLC Panel
4500
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Supply & laying of 19 mm GI conduits and required accessories from PLC panel to jet fan & CO Sensor as per specification. for control cables
1000
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Supply & laying of earthing for the following equipments
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8 gauge copper wire for jet fans
2000
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Supply,installation of GI earth flat - 25mm width X 6 mm thick
760
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Supply, installation,testing and commissioning of Vane axial fans for exhaust air which is certified for AMCA for air performance and sound with minimum efficiency in the order of 70% and sound level in the range of 70 - 80 dBA @ 1 mts distance.The fan shall have casing made of galvanized steel. The motor shall be in the air stream and shall be inverter duty rated class H insulation capable at operating at 300Deg C for 2 hours with CE certification, IP55 protection and suitable for operation at 400V,50Hz.The motor shall be EFF 2 rating.The impeller shall be provided with manually adjustable aluminium alloy aerofoil blades if diameter is greater than 500mm.The cost shall include all necessary accessories for mounting the fans,bird screen all complete as required
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Air flow rate : 36000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 1
4
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Air flow rate : 37000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 1
2
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Air flow rate : 38000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 1
4
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Air flow rate : 30000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 7.5 KW, 6 pole, 3 Phase
Served Area -Basement floor - 1
2
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Air flow rate : 34000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 2
4
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Air flow rate : 35000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 2
2
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Air flow rate : 36000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 11.0 KW, 4 pole, 3 Phase
Served Area -Basement floor - 2
4
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Air flow rate : 28000 CFM
External Static Pressure : 250 Pa
Indicative Fan Motor : 7.5 KW, 6 pole, 3 Phase
Served Area -Basement floor - 2
2
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Air flow rate : 35000 CFM (Fresh Air)
External Static Pressure : 250 Pa
Indicative Fan Motor : 7.5 KW, 6 pole, 3 Phase
Served Area -Basement floor - 2
6
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LT PANELS
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The panel shall be made as per IS 61439 compliance and as per latest NBC 2016 & ECBC compliance
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For all items in this section, the rate includes necessary supports as required at site. No extra payment will be made for the same. Rate shall inclusive of factory witness test and all accessories, breakers , control wiring, models has to be followed as per in the technical specification. Panel GA drawing to be submitted for client approval prior to procurement
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JET FAN PANEL ( B1 - A&B, B2- A&B)
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Design, supply, fixing, testing and commissioning of cubicle type floor mounting switch board comprising of the following, the board shall be fabricated as per the detailed specification enclosed. JET FAN PANEL - Location B1 & B2
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Incoming
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1 No: 630 A TPN 36kA MCCB Each incomers shall have 1 set - MFM (Having the parameters of Ammeter,Voltmeter and KWH meter).
1 set - LED type RYB,ON,OFF,TRIP indication lamps.
1 set -630 /5A CT CL 1.0 10VA
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Outgoings:
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3 Nos - 315 A 25KA TPN MCCB
1 Nos - 200A 25 KA TPN MCCB
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With necessary Aluminium busbars, interconnection providing Digital combined meter, phase indication lamp, fuse and switch control etc. in the incomer.
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Note : All the Outgoing feeder shall be having 'on',off,trip' indication lamps..All switch boards shall be fabricated as per the detailed specification enclosed. Suitable size outgoing cable chamber and extra busbars should be provided for connecting the number of outgoing cables as per the schematic drawing. The board shall be fabricated for future extension of the panel board. Note:-The panel should be having provision to monitor the On, Off, trip status
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BUS BAR RATING:
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630A TPN 35KA for 1 sec. Aluminium bus bars (Current Density not less than 0.8A/Sq.mm.) with colour coated heat shrinkable PVC sleeves with DMC/SMC bus bar supports and suitable earth bus.
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Earthing : 50 x 6mm Aluminium flat
Cable Entry & Exit : Top
Cable Gland Plate : 3mm thick MS sheets
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Note: All MCCBs shall have rotary handle mechanism and spreader wherever necessary.
2
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MCCBs / MCBs / ISOLATORs etc.
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Supply,Erection, Testing and Commosioning of the following MCCBs / MCBs of type-II coordination etc.in manufacturer's sheet steel enclosures for MCBs, and suitable 16SWG enclosure for MCCBs with provision for cable entry boxes, with indoor and ourdoor application as specified Protection, fixed on the wall including all interconnections and accessories, and suitable 16SWG enclosure for MCCBs with provision for cable entry boxes,, fixed on the wall including all interconnections and accessories.Enclosure and MCCB GA drawing to be submitted for client approval before procurement
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63A TPN MCCB with Sheet Steel Enclosure
2
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63A TPN MCB with Sheet Steel Enclosure
15
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32A TPN MCB with Sheet Steel Enclosure
19
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Cables and End Terminations
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Supply, laying of following size PVC/XLPE /FRLS/ (FS) insulated outer sheathed (1100 V grade) alu. armoured conductor cable partly laid in existing cable tray and partly laid in wall/ ceiling with suitbale clamps. Cable tray will be measured and paid separately.
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3.5Cx240Sq.mm..Al.Arm.XLPE FS Cable.
700
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3.5Cx150Sq.mm..Al.Arm.XLPE FS Cable.
600
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4Cx16 Sq.mm Al.Arm.XLPE FS Cable.
3500
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4Cx 4 Sq.mm..CU Arm.XLPE FS Cable.
7840
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Supply and termination of the following size cables with suitable double compression glands with suitable crimping socket. (copper sockets for copper cables and Alu. Sockets for alum. Cable)
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3.5Cx240Sq.mm..Al.Arm.XLPE FS Cable.
4
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3.5Cx150Sq.mm..Al.Arm.XLPE FS Cable.
8
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4Cx16 Sq.mm Al.Arm -FS Cable.
60
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4Cx 4 Sq.mm..CU Arm. FS Cable.
460
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