PROVISION OF AIR CONDITIONING SYSTEM FOR MH PANAJI GOA

Amount

PHASE-I

Installation, commissioning and testing of Blue Star water cooled screw chillers, with multi/single processor, comprising of semi Hermetic sealed Compressors, chiller, water cooled condenser, suitable expansion device, suitable for operation on R-134 refrigerant multi circuit complete with all necessary axiliary equipments, Microprocessor based control centre, Interconnection piping, after flow safety trip, integrated electrical power panel, control wiring including insulation, painting with flow switch at chiller ends, first charging of lubricating oil and refrigerant etc of 03 units of 75 TR each .( Two units of 75 TR working at a time and one 75 TR as standby). Notes:- (a) 03 (three) Chiller units of Make Blue starof Model /Sr No /Mfd date (plant No 1-X-01V12.2/A7609A 200 180/02 of 2017, Plant No -02-X-01V12.2 A6609A 800139/08 of 2016, Plant no 3 X-01 V12.2 /A 6609A800140/08 of 2016 will be issued for free of cost by the department. (b) The contractor shall visit the site and see the conditions of the Chillers before quoting the tender. (c) The contractor shall carry out general servicing by OEM to the chiller units including replacement of minor spares if required, filling of non CFC gas as per OEM specification including leakage testing before installing and obtaining extended warranty of one year after completion of work.(d) The design/heat load calculations duly vetted by Blue Star and approved by the department is attached from Ser Page No.175 to Ser Page No.206 If any minor modifications suggested by the OEM for better performance of the plant, the contractor shall execute at site the same without any extra cost to the Govt. (e) The under mentioned items shall be supplied and integrated with the chiller unit for which the quoted rate is deemed to be included in this item:-

(i) FRP induced draft cooling Tower of 120% capacity (ii) Water circulating pumping sets centrifugal/monoblock type each of 50% of full load capacity (two Nos working and one standby) coupled with compatible AC motor - 3 Nos (iii)Supply, install, testing and commissioning of 1 No of PVC/HDPE tank of 5000 litres on Brick staging for making water requirement including brass float valve with polyethylene ball, over flow and drain arrangement. Incoming connection will be provided by MES.

(iv) The unit shall be complete with butterfly valves on discharge and suction sides of each chillers and liquid line valves as per OEM design to isolate chilled water pipe line, refrigeration circuits, vibration isolators chiller from the plinth, weather proof digital type pressure gauges, expansion valves, solenoid valves. anti-freeze thermostats, flow switches in the chilled water lines etc all as per OEM specification and including MS stand/ PCC plinth to install the chiller units fabricated out of suitable size structural steel sections etc. The noise level measured at a distance of 1 Mtr from the machine at anywhere shall not exceed 45 db. The chilled water type AC plant will be suitable for operation on 3 Phase AC 50 Hz supply. Cost of buttrefly valves will be measured & paid separately. (v) Aluminium XLPE cable up to each chillers will be measured and paid separately, However Chiller, Control panel with all standard OEM designed protections with microprocessor LCD display panel for each chiller unit including looping of connection/controls the panel etc is the contractor's responsibility.

(vi) Power cabling with suitable capacity cables of FRLS with copper conductor shall be provided by the contractor for internal wiring such as controls digital type pressure gauge flow switch etc. (vii) Civil work such as masonary foundations/plinth for chiller units and chiller pumps, angle iron supports for chiller water opening in the walls etc for running chilled water lines etc, shall be carried by the contractor all as required at site and all as directed, the cost of the same is deemed to be included in the unit rate quoted. (viii) Refrigerant lines and valves, insulation etc. Forming part of chiller unit air cooled chiller condenser are deemed to be included in the chiller unit all as per the OEM specifications.

(ix) Factory mounted micro processor controller being supplied along with chiller unit at no extra cost shall carry out the following functions:- Microprocessor control system shall load the compressors in stages based on the leaving water temperature from the chillers. Equipment protection devices controlled by the microprocessor shall include motor protection, high pressure, loss of refrigerant, loss of water flow pressure, freeze protection and low refrigerant pressure, Contols shall include auto start arrangement chilled water set point adjustment anti - recycle time. The controller shall includes for:- (a) Programmable logic control with LCD display screen type (b) Reset of chilled water temperature on microprocessor controller. (x) UG Cable of suitable capacity from main AC control panels to all the chiller units, all the chiller Pumps, AHU Motors, AHU Motors, strip heaters, humidity pumps, etc shall be measured and paid sepaerately

(xii) Supplying and laying synthetic insulating mat of thickness 2 mm complete all as specified as per IS -15652-2006.

Supply, installation, testing and commissioning of Mono block centrifugal Chilled Water pumps, weather proof suitable for fixing on out door, mounted on suitable MS Channel base with electric motor for re-circulation of water for the cental air conditioning system, suitable for 415+/- 10 % volts, 50 cycles, 3 phase, AC supply including nylon below for pipe connection complete all as specified and directed with following specifications:- (a) Head : 35m WC or as required (b) Capacity : 140 USGPM. Note :Quantity to be supplied shall be 2 Nos working together and 1No (as standby)

Supply, installation, testing and commissioning of double skinned Horizontal Floor Mounted Air Handling Units of suitable minimum capacity as per Annexure - 'AA' Note: Locations of AHU :- (i) AHU 1 - Ground floor A - wing Left side (ii) AHU 2 - Ground floor A- wing Right side (iii) AHU 3 - First floor A wing Right side (iv) AHU 4 - First floor A- wing left side (v) AHU 5 - First floor B- wing left side (vi) AHU 6 - Second floor B- wing left side (vii) AHU 7 and 8 - Second floor B- wing right side. Make : Blue Star/ Carrier/ Zeco/ Edgetch. (a) Modular AHU panels with Gl sheet of 0.60 mm thick for both inner and outer casing with 44mm PUF insullation sandwiched in between. The outer panel shall have pre-coating for corrosion resitance and also to provide a good finish.

(b) The AHU shall be having Blower section with backward curved centrifugal fan with TEFC motor (IP 55 and Class F insulation). Static pressure 70 mm wg. (c) Drain section with 0.8 mm SS drain pan and drain pipe shall be etended to out side the AHU room. (d) Filter section with 10 MICRON HDPE woven mesh filter in aluminium frames "HEPA filters to be provided for major & minor OTs". (e) Cooling Coil section shall be with 6 row chilled water coil. (f) AHU shall be suitable for fresh air and return air pleanum, and shall be provided with suitable humidity pump (humudifier). De - humidifier strip heaters. Note : (i) Suitable controls shall be provided for humidity control to keep the humidity control to keep the humidity 55% +/- 5%, such that the dehumdifying heaters and humidifier pumps to be operated to maintain rated humidity automatically, (ii) AHU Contol panel shall be equipped with necessary shut down relay arrangements in the event of fire as per fire safety norms.

Supply, installation, testing and commissioning of double skinned, ceiling suspended type air handing units of suitable capacity for minor OT, second floor right side of 'B' (to be installed in dirty corridor adjacent to minor OT)

M&L for Pre-insulated 125 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed

M&L for Pre-insulated 100 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed

M&L for Pre-insulated 80 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed.

M&L for Pre-insulated 50 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed.

M&L for Pre-insulated 40 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed .

M&L for Pre-insulated 25 mm MS Pipe class 'C' heavy grade, having thickness of PUF Insulation 50 mm of density 40 kg/cum and 26 gauge aluminium cladding complete after applying suitable primer coat complete all as specified and directed

Supply and fix Brass auto air vent 10 mm dia in the chilled water line to relese air locks from the pipe line to release air locks from the pipe line complete all as specifed and directed .

Supply and fix pressure gauge suitable for chilled water/codenser water line of range 0-10 kg cm2, 100 mm dia pressure gauge with 3/8" nipple, with suitable MS Box weather proof casing complete all as specified and directed .

Supply and fix industrial thermometer suitable for chilled water/condenser water line AC plants complete all as specified and directed.

Supply and fix Cl butterfly valves PN1.6 of size 40 mm to 125 mm dia complete all as specified and directed.

Supply and fix Cl balancing valves PN1.6 of sizes 40 to 50 mm dia complete all as speciied and directed

Supply and fix Cl non return valves PN1.6 of sizes 100 mm to 125 mm dia complete all as specified and directed.

Supply and fix 'Y' Strainer sizes 100 to 125 mm dia suitable for chilled water line of AC plant complete all as specified and directed

Supply and fix rubber expansion joints PN1.6 sizes 100 to 125 mm dia suitable for chilled water line of AC Plant complete all as specified and directed.

Supply and fix brass globe valve 40 mm dia suitable for AC plant water line complete all as specified and directed.

Supply and fix brass globe valve 25 mm dia suitable for AC plant water line complete all as specifed and directed.

Supply and fix 3 way valve of sizes 40 to 80 mm dia with electric motorised actuator and inbuilt thermostat suitable for AC chilled water line control including suitable electric cable connections and control arrangements comlete all as specified and directed.

Supply and fix MS channels, angles, nuts, bolts, champs etc for supports of chilled water pipe line including necessary connections complete all as specified and directed.

Supply assembly and erection of Gl Sheet with TDF flange rectangular square duct made out of L shaped hallow profile, duly factory boxed incl all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealent on longitudinal joints etc complete with Gl sheet of thickness 24 gauge complete all as specified and directed.

Supply assembly and erection of Gl Sheet with TDF flange rectangular /square duct made out of L shaped hallow profile, duly factory boxed incl all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealent on longitudinal joints etc complete with Gl sheet of thickness 22 gauge complete all as specified and directed. Note :- (i) Necessary openings in the existing brick walls shall be carried out for the installation of supply and return air ducts as the air condioning is to be caried out in the existing New Hospital Building and the openings shall be finished properly and matched with surrounding colour. (ii) The layout of the ducting shall be designed by the contractor through the OEM and the drawing with all detailed specifications shall be produced to GE for approval before starting fabrication work. (iii) The contractor shall design supply ducts and return ducts based on room design conditons and detailed ducts drawing along with design calculations shall be submitted for the approval of accepting officer.(iv) Supply install MS expansion tank of suitable capacity (chilled water tank ) duly insulated and properly installed .

Supply, assembly and erection of aluminium sheet of 22 guage with TDF flange, rectangular square duct for supply/return air, for circulation of air from OTs to AHU, made out of 'L' shaped hollow profile factory make including all accessories such as corner, det, carrage, bolts, gasket and appropriate sealant on longitudinal joints etc complete all as specified and directed. Note:- (i) Necessary openings in the existing brick walls shall be carried out for the installation of supply and return air ducts as the air condioning is to be caried out in the existing New Hospital Building and the openings shall be finished properly and matched with surrounding colour. (ii) The layout of the ducting shall be designed by the contractor through the OEM and the drawing with all detailed specifications shall be produced to GE for approval before starting fabrication work. (iii) The contractor shall design supply ducts and return ducts based on room design conditons and detailed ducts drawing along with design calculations shall be submitted for the approval of accepting officer.

Supply and fix grills / diffusers made of aliminium duly powder coated with suitable colour all as directed Note : The number and size of grills/diffusers shall be designed by the contractor as per site conditons complete all as specified and directed.

M & L for duct thermal insulation with aluminium faced nitrile rubber 12 mm thick complete all as specified and directed.

M & L for under deck insulation with 50 mm thick thermocole of TF quantity with 24 kg/m3 densilty wrapped with chicken wire mesh complete all as specified

M & L for acoustic insulation of duct with 12mm thick open cell nitrile rubber complete all as specified and directed.

Supply and fix MS Collar clamps for fixing along with the ducting of AC plant complete all as specified and directed.

Supply and fix MS / Gl volume control dampers for fixing along with the ducting of AC plant complete all as specified and directed.

Supply and fix motor controlled fire dampers one in the supply air duct and one in the return air duct (fusible plug) so as to close the air flow in the event of fire as per fire safety norms, including necessary cable connections from the main control panel to the dampers motor complete all as specified and directed.

Supply and fix laying 150 mm dia MS class pipes medium grade with and including all required fitting all as specified and directed .

Supply and fix laying 125 mm dia MS class pipes medium grade with and including all required fitting all as specified and directed .

M & L for Earthing with 600x600x6.00 mm Galvanished steel earth plate electrode buried vertically in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of the plate at a depth of not less than 1.5 m below ground level. connected to the including Galvanised steel Strip of size 25x4 mm by means of bolts, nuts and check nuts and washers of galvanised steel with and including 40 mm dia Gl medium grade pipe for protection of Gl strip to the extent of 7.5 metres as earthing lead including charcoal dust and salt packed all around the earth plate in the earth pit all as per Electrical Plate No 3 of SSR Part l (2019) including PCC foundation & chamber in mix 1:2:4 type B1 with M.S funnel with wire mesh provided inside the concrete earth pit for watering arrangement, complete including excavation and earthwork in any type of strata and testing complete including fill up the earth pit with soil for best result and removal of excavation and earthwork in any type of strata and testing complete including fill up the earth pit with soil for best result and removal of excavated material from the site complete all as specified and directed. (Note :- Earth protection pipe & earthing lead upto and including 7.5 m length is deemed included in unit rate quoted by the contractor).

Supply and fix Gl Strip 25x3 mm as in earthing complete all as specified and directed.

S & F Rotational moulded polyethylene multilayered water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part l on roof of buildings complete of capacity 2000 Ltrs as chilled water make up tank including thermal insulation etc., complete all as specified and directed.

M & L for cutting into existing 80/100 mm dia pipe line for tapping for the proposed line for chiller makeup water tank reconnecting the same with the including 'T'' of required size complete all as specified and directed.

Supply, Laying, testing & connecting up to cross sectional area 185 sqmm x 3.5 core LT 1100 volts grade XLPE insulated, screened. PVC bedded, electric power cable (Heavy Duty) galvanlsed steel strip armoured with standed aluminium conductor laid in tranches/ducts, fixed to wall/polele inside panel, drawn through pipe all as specified and as directed.

Supply, Laying, testing & connecting up to cross sectional area 95 sqmm x 3.5 core LT 1100 volts grade XLPE insulated, screened. PVC bedded, electric power cable (Heavy Duty) galvanlsed steel strip armoured with standed aluminium conductor laid in tranches/ducts, fixed to wall/polele inside panel, drawn through pipe all as specified and as directed.

Supply, Laying, testing & connecting up to cross sectional area 25 sqmm x 4 core LT 1100 volts grade XLPE insulated, screened. PVC bedded, electric power cable (Heavy Duty) galvanlsed steel strip armoured with standed aluminium conductor laid in tranches/ducts, fixed to wall/polele inside panel, drawn through pipe all as specified and as directed.

Supply, Laying, testing & connecting up to cross sectional area 16 sqmm x 4 core LT 1100 volts grade XLPE insulated, screened. PVC bedded, electric power cable (Heavy Duty) galvanlsed steel strip armoured with standed aluminium conductor laid in tranches/ducts, fixed to wall/pole inside panel, drawn through pipe all as specified and as directed.

Excavating in trenches not exceeding 1.5m wide n exceeding 10 sqm on plan area and not exceeding 1.5 m deep for foundation of poles/ stays/ cable including getting out in hard/dense soil complete all as specified and directed .

Retruning filling in including spreading, levelling, watering and well ramming in layers each not exceeding 25 cm thick in soil complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed .

M & L for sand cushioning to cable with dry fine sand in trench 8cm below the cable and 15cm above the cable after laying complete all as specified and directed. Note :- Punned down thickness shall be measured and paid.

M & L for sub class 'B' Bricks laid in trenches for cable protection using well burnt bricks of size 230x150x75 mm complete all as specified and directed.

PHASE-II

Out sourcing for Manning, Operation of Air conditioning system in three shift round the clock including Saturday, Sunday & holiday complete all as specified & as directed. Note : The contractor shall quote the rates for M & O only as comphrensive maintainence of the plant i.e replacing defective parts & providing spares, all cosumables during this period i.e 02 (two ) years from completion of phase I shall be covered under DLP. (a) The work order for M & O shall be placed by GE & no price adjustment during whole period due to change of minimum fair wage shall be permissible. (b) The AC System will be operated for 24 hours in 3 shift per day unless otherwise specified by the Engr - in - Charge/GE. Necessary recovery will be made for non operation of plants shift wise based on double the minimum fair wage applicable during that period for each shift & shall be final & binding. (c) Each shift shall be manned by the following staff :- (i) The Operator being deployed in the work shall have minimum qualification of ITI(REFERGERATION & AC)/ ITI (Mechnical) holder with 02 (Two) years of experiance in relevant field. Necessary technical qualification certificate and experience certificate shall be produced for verification of Engg-in-charge & get the approval before deploying for works-01 no. (d) Proper & efficient functioning of the plant must be ensure through regular inspection by qualified engineer bi-monthly preferabaly by OEM or by his authorized agency . (e) The contractor shall carry out routine maintainence as per procedure mentioned in the PS . Any repair/ replacement of parts shall be carried out by the contractor by engaging his labour .

Out sourcing for Manning, Operation & comphrehensive maintenance of Air conditioning system in three shift round the clock including Saturday, Sunday & holiday complete all as specified & as directed after completion of Ser Item No 50.00. Note : The contractor shall quote his rates including cost of spare parts & consumables which may be required for efficient functioning of the plant as no seperate payment will be made by deptt in this regard. (a) The work order for M & O will be placed by GE & no price adjustment during whole period due to change of minimum fair wage shall be permissible. (b) The AC System will be operated for 24 hours in 3 shift per day unless otherwise specified by the Engr - in - Charge/GE. Necessary recovery will be made for non operation of plants shift wise based on double the minimum fair wage applicable during that period for each shift & shall be final & binding. (c) Each shift shall be manned by the following staff :- (i) The Operator being deployed in the work shall have minimum qualification of ITI(REFERGERATION & AC)/ ITI (Mechnical) holder with 02 (Two) years of experiance in relevant field. Necessary technical qualification certificate and experience certificate shall be produced for verification of Engg-in-charge & get the approval before deploying for works-01 no. (d) Proper & efficient functioning of the plant must be ensure through regular inspection by qualified engineer bi-monthly preferabaly by OEM or by his authorized agency . (e) The contractor shall carry out routine maintainence as per procedure mentioned in the PS . Any repair/ replacement of parts shall be carried out by the contractor by engaging his labour .

BRITE INDUSTRIES

M/s. NILESH SURESH KAWOOR

DURGAI ELECTRICALS

Intrernational Engineers

somnath engineering corporation

Parksons Engineering Company Pvt Ltd