REPAIR MAINTENANCE TO HEPA FILTERS MICRON FILTERS DISTRIBUTION BOXES MCCBS STARTERS CONTACTORS AND EARTHING CONNECTED ITEMS IN EM INSTALLATIONS AT INS RAJALI ARAKKONAM

Amount

Material and labour for servicing and cleaning of condenser coil unit and cooling Coil unit by cleaninhg chemical and flushing with plain water by pressure pump for removing complete trace of soda from the coil and fix in original position including testing all as specified and directed for the following capacity. (Note: Servicing and cleaning shall be done once in 3 month)

5.5 TR Capacity

8.5 TR Capacity

11.0 TR Capacity

17 TR Capacity

22 TR Capacity

Material and labour for servicing and cleaning of Evaporator coil, AHU and Duct unit (supply air and return air) ,removing, any obstruction for AIR flow by air blower etc, and taking out all un wanted materials including cleaning Micro filter all as specified and directed by Engineer-in-Charge for the following capacity. (Note: Servicing and cleaning shall be done once in 3 month)

5.5 TR Capacity

8.5 TR Capacity

11.0 TR Capacity

17 TR Capacity

22 TR Capacity

Supply & Replace washable Air filter of 5 Microns for the following size suitable for ductable package type AC plants all as specified & directed by Engineer-in-charge

Air filter of size 1.8" x 1.8"(at 561 )

Air filter of size 1.6" x 1.10" (at Comcern Area,)

Air filter of size 2.5" x 1.6" (at Logistic Section)

Air filter of size 2' x 2' ( at Ops Area, ATC Tower, ATH Ist floor,Area)

Air filter of size 1.6" x 7' (at WTS, SE Section,RAQ )

Air filter of size 1' x 4' (at Magazine Telephone Exchange ,BLD )

Material & Labour for Descaling the shell and tube Condenser by circulating descaling chemical with water through condenser coil, cooling tower re-circulating pump set up to 2 to 3 hours and open the end cover of condenser and manually cleaned the inner tubes with nylon brush until complete scale to be removed and flush out with fresh water. Reconnecting the condenser end cover by replacing rubber gasket, bolts, nuts and including cleaning of cooling tower,make up water tank etc as required commissioning in all respect for the followings:- (Note: 1. Ph value of recirculating mixture of water with descale chemical should be 1 2. Descaling shall be done once in 3 month) 3. During descaling any damage to copper coil which leads leackage of gas, contractor shall be resposible to rectify the damage and gas to be filled after leak test without any extra cost 4. Full system include total Number of condensers in the mentioned capacity AC Plant

50 TR Capacity at Engine Holding Bay.

110 TR Capacity at Sonabouy.

38 TR Capacity at MK 54.

25 TR Capacity at Magazine A.

50 TR Capacity at Processing Unit.

All as per item No. 4 here in before but Chiller of following capacity.

50 TR Capacity at Engine Holding Bay.

110 TR Capacity at Sonabouy.

38 TR Capacity at MK 54.

25 TR Capacity at Magazine A.

50 TR Capacity at Processing Unit.

Material & Labour for dismantling unserviceable / worntout "V" belts any type / model , supply and fix new "V" Belt of following specification and testing . Make :- FENNER / V GRIP

V- Belt of size C-127

V- Belt of size C-122

V- Belt of size B-93

V- Belt of size B-74

V- Belt of size A-82

V- Belt of size A-57

V- Belt of size A-36

V- Belt of size A-32

V- Belt of size A-30

V- Belt of size A-26

Material & Labour for taking down unserviceable electrical Contactors / Relays /Starter / Disconnectors/ Fuse unit/ Neon Indicator Lamps, any type /capacity / model from electrical control panels including supply and fix of following specifications all as specified and as directed :-

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 140 Amps as existing . Make BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 110 Amps as existing . Make BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3 ,70 Amps as existing. Make: BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 63 Amps as existing. Make: BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 32 Amps as existing. Make: BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 25 Amps as existing. Make: BCH/ L&T /Siemens.

Contactor set for 3 Pole with 1NO+1NC, 415 V of capacity AC3, 18 Amps as existing . Make: BCH/ L&T /Siemens.

Over load relay (direct mounting) of Range 12-18 Amps Make: BCH, Cat Part No MC305ANA3L or equiva of L&T/Siemens.

Over load relay (direct mounting) of Range 25-32 Amps Make: BCH, Cat Part No MC305ANA3L or equiva of L&T/Siemens.

Over load relay (direct mounting) of Range 40-63 Amps Make: BCH, Cat Part No MC305ANA3L or equiva of L&T/Siemens.

Star Delta Starter of capacity 15 HP Make: BCH/ L&T /Siemens.

Star Delta Starter of capacity 12 HP Make: BCH/ L&T /Siemens.

Star Delta Starter of capacity 10 HP Make: BCH/ L&T /Siemens.

DOL Starter of capacity 7.5 HP Make: BCH/ L&T /Siemens.

DOL Starter of capacity 5 HP Make: BCH/ L&T /Siemens.

DOL Starter of capacity 3 HP Make: BCH/ L&T /Siemens.

Single phase preventer 415 V,3Ph. Make : Minilec, Model : VSP-3 415 Volt AC, 3 Phase, 50 Hz/L&T/Siemens.

Neon Indicator Lamp Make: L&T/ Legrand/ ABB

Supply and fix new MCCB, adjustable thermal magnetic type of following capacity/specification ,415V, 50 Hz, with extended terminal & spreader link including taking down the existing unserviceable MCCB from the panel Make : Legrand / L&T/ Siemens/ ABB/ Schneider

MCCB 4 pole, 25 KA 32 Amp

MCCB 4 pole, 25 KA 63 Amp

MCCB 4 pole, 25 KA 100 Amp

MCCB 4 pole, 25 KA 125 Amp

MCCB 4 pole, 36 KA, 160Amp

MCCB 4 pole, 36 KA, 200 Amp

MCCB 4 pole, 36 KA, 250 Amp

MCCB 4 pole, 36 KA, 320 Amp

MCCB 4 pole, 36 KA, 400 Amp

Taking up existing old/ unserviceable/ burnt cable laid on the ground/ laid on wall/ laid on cable tray from the existing positions/ trenches etc including testing with the help of megger, disconnecting and removing unserviceable portion of cable complete all as specified and as directed. Make: Polycab/ Havells/ Finolex/ KEI Note: Rates includes supply and fix necessary Glands

120 sqmm 3.5 core

95 sqmm 3.5 core

50 sqmm 3.5 core

25 sqmm 4 core

16 sqmm 4 core

M&L for cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded Aluminium conductor of following sizes

120 sqmm 3.5 core

95 sqmm 3.5 core

50 sqmm 3.5 core

25 sqmm 4 core

16 sqmm 4 core

Supply and Replace Ammeter digital type (Three digit)with suitable CTs 5A Class I as per L&T Cat Part No WDS 301FCA00 or equivalent to Siemens /ABB /AE /Meco

M&L Aluminium Lugs suitable for wire of following below size

Lugs suitable for wire upto 16 Sqmm

Lugs suitable for wire 25 Sq mm

Lugs suitable for wire 50 Sq mm

Lugs suitable for wire 70 Sq mm

Lugs suitable for wire 95 Sq mm

M&L Single core PVC insulated (unsheathed) multi strand flexible Copper conductor FRLS cable of following below size 1100Volts grade Make: Polycab/ Finolex/Plaza

Single core 16 sq mm

Single core 10 sq mm

Single core 6 sq mm

Single core 4 sq mm

M&L Copper Lugs suitable for wire of following below size

Single core 16 sq mm

Single core 10 sq mm

Single core 6 sq mm

Single core 4 sq mm

M&L for Earthing complete with using galvanised steel earth plate electrode of size 600mm x 600mm x 6 mm thick buried directly underground vertically (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate at a depth not less than 1.5m below ground level connected with and incl Galvanised iron strip 32 x 6 mm including 40 mm dia GI pipe light grade by means of nuts bolts, washers and necessary earth work in any type of soil PCC (1:3:6) type C1 chamber and RCC(1:2:4) type B-1cover with handle and watering pipe 20 mm dia medium grade with funnel complete with mesh , refiling with black cotton soil, alternate 5 layers of charcoal & salt crystal all as specified. Note:(i) Quoted rate deemend to include necessary earth work PCC chamber, RCC cover, reinforcement removal of surplus soil , site clearance etc. (ii) GI earth strip , GI tubing light grade upto 7.5m deemed to be included the rate quoted by the contractor.(iii) Beyond 7.5 M the GI earth strip & GI pipe light grade 40 mm dia shall be measured and paid separetely under the respective item of the schedule (iv) Quotated rate include testing after completion from test point and the desired earth resistance shall be not more than 5 ohm .If the desired result is not obtained the earthing will be re done by the contractor at no extra cost.

S&F Galvanised iron strip 32 x 6 mm including 40 mm dia GI pipe medium grade for protection of GI Strip

M&L for dismantling and removing the unserviceable thrust bearings from the Air handling Units of the Package/ Central type A/C plants and repalcing with new Thrust bearing of same type / model, assembling back, reinstalling, connecting and testing all as specified and as directed, Make:SKF/NBC.

S&F Filter Drier/Strainer suitable for Package AC for the following size liquid line including taking down old unserviceable one all as directed. Make; Danfoss / Emersion

Liquid line of size 3/8 "

Liquid line of size 1/2 "

Liquid line of size 5/8 "

S&F Expansion Valve suitable for the following capacity AC unit including taking down old unserviceable one all as directed. Make; Danfoss / Emersion

5.5 TR Capacity

8.5 TR Capacity

11 TR/12.5 TR Capacity

50 TR Capacity

110 TR Capacity

M&L for Servicing of following Air Handling Units ( AHU's ) with humidification pumps of AC Plant by cleaning air filters with water washing Pump, fire dampers , blowers , spray nozzles , condensate water tray, greasing of blower bearing / blower motor, tightening all bolts, nuts and testing for proper functioning all as specified and as directed. (Note :- AHU servicing shall be done once in 3 month)

AHU at Engine holding bay

AHU at Sonabouy.

AHU at MK 54.

AHU at Magazine A.

AHU at Magazine B&C

AHU at Processing Unit.

PSK Enterprises (BID ID -3381297)

RK ENTERPRISES (BID ID -3381496)

rc enterprises (BID ID -3381506)

VKR ENTERPRISES (BID ID -3381946)

m/s SRI VALLI ENTERPRISES (BID ID -3381178)