PROVISION OF INDUSTRIAL DEHUMIDIFIER FOR RAIN GEAR STORE AT CMT STORE HOUSE BUILDING (P-392) AT BASE VICTULALING YARD, SRI VIJAYA PURAM

Amount

Supply, installation, testing and commissioning of Desiccant type dehumidifier of capacity 600 CMH with input power supply 415 V, 3 phase, 50 Hz, equipped with microprocessor based control system having LED display indicating the status of input, Humidistat with digital display, made out of pre coated MS sheet , the dehumidifier is having totally self contained eco dry rotor/desiccant rotor, process & reactivation air flow sectors insulated with aluminium foils, unique PTFE bonded bulb seal design to minimize air leakages, the desiccant rotor is made of fluted honeycomb type with stainless steel perimeter flange to incorporate robust internal structure required for industrial quality, durability and easy serviceability and also to extend media and seal life. The desiccant rotor is non flammable and its media shall have high performance metal silicates synthesized in situ, differential air pressure switch to control reactivation air flow and indicating clogging of filters, High temparature thermostat cutout to economize the power consumption, additional cooling thermostat as a safety measure, electrical interlocking of fan motor, heaters and rotor drive as a safety measure, PTFE bonded silicon bulb seal design to minimize air leakage, dehumidifier shall have an option to control reactivation temparature, system parameters complete all as specified and as directed. Model : FFB600 of Make : Bry-Air or equivalent model of make Drystar India Pvt Ltd/ Salleria Solutions/ Munters/ Seibu Giken DST/ equivalent approved make of HQ CESC Pune/ GE confirming to relevant IS provisions. Note: (i) The quoted rate deemed to be inclusive of necessary foundation work with angle iron frame work all as per OEM recommendation, flexible rubber hose pipes along with perforated end caps for bird proof for connecting reactive air inlet and oulet line upto room outside by core cutting in any type of wall & control cable from equipment to MCB DB for full functionality of machinery.

(ii) Manufacturer type test certificates/ test reports for equipments shall be submitted by contractor before claiming payment.

(iii) The quoted rate deemed to be inclusive of service visit once in three months during defect liability period and contractor shall submit underdetailing on 100/- non-judicial stamp paper before completion/processing of final bill.

Supply and install sheet metal enclosure along with single MCB TPN 32 Amps, 'C' curve, breaking capacity 10KA complete all as specified and as directed.

M & L for sub-main wiring with 10 Sq.mm (nominal area) PVC unsheathed multi strandard copper conductor PVC insulated 1100 volt grade 4 runs of single core cable drawn through and including rigid PVC conduit medium grade minimum 25 mm size and its accessories complete along with one single core PVC insulated unsheathed multistranded copper conductor cable green colour of size 10 Sqmm as continuous earthing wire and connecting to common earth dolly completely concealed in walls/ceiling/roofs all as directed and specified. Note : Five runs of PVC copper cable and one run of PVC conduit will be measured as one RM.

Supply and fixing 6 way vertical type of MCCB TPN DB, double door, IP-43, IK-09, suitable for flush mounting type, powder painted with 250 Amps copper bus bar for each phase, neutral link, earth bar and Din rail ,415 Volts complete all as specified and as directed .

Supply and fix MCCB 125 Amps, TPN/4 pole, 415 volt, breaking capacity 16 KA Thermal magnetic type complete all as specified and as directed by Engineer-in-Charge. Note :(i) MCCB should be Ics = 100 % Icu (ii). MCCB should be adjustable O/L (0.8-1)In and S/C - (5-10)ln

Supply & fixing MCB TP 415 Volts, 'C' series, breaking capacity 10 KA of rating 32 Amps complete all as specified and as directed.

Supply and laying in trenches / fixed on walls / passing through pipes, jointing and testing of 3.5 core x 50 Sqmm electric LT cables, XLPE insulated, PVC sheathed, galvanised steel strip or wire armoured electric power cables with stranded aluminium conductors 1100 Volts grade complete all as specified and as directed. Note: (i) The rates shall be inclusive of Cable lugs at both ends of cable. (ii) Excavation earth work, returving and re filling shall be measured and paid seperately. (iii) Joint kit if required and directed by Engineer-in-Charge shall be deemed to be included in the quoted rate.

Supply & Laying DWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 40 mm polythylene including coupler & Bend with smoooth inernal and corrugated external surface for non pressue under ground cable complete all as specified and as directed.

S&F GI pipe of light grade 40 mm dia all fitting fixture for fixing with wall/ road crossing etc. complete all as specified and as directed.

Excavation in trenches any type of soil (soft/loose/hard/dense) not exc 1.5 mtr wide and not exc 1.5 mtr in depth for foundation, pipe, laying of cable etc not exc 10 Sqmtr on plan and not exc 1.5 mtr in depth and getting out complete all as specified and as directed.

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

Removing excavated materials (soil) to a distance not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meters above the starting point all as specified and as directed.

M & L for Cutting the tarmac / hard standings and excavating in trenches across the road for laying cable including making good the excavated portion by means of PCC 1:3:6, type C2 matching with the surroundings all as directed.

Material and labour for earthing with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to galvanised iron strip 32 mm x 6 mm by means of GI Welding made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead, 20 mm dia GI pipe for watering and earth plate surrounded by packed layer of coal and common salt, 15cm thick all around bottom and top, watering pipe of 20 mm bore of light grade with funnel all as shown in electrical plate No 3 of SSR Part-I (2009) and connecting to earthing test point, main switch board, transformer neutral and testing on completion as directed including earthing pit in PCC (1:3:6) type C-1, pre-cast reinforced cover with MS XPM Jalli, RCC 1:1.5:3 cover slab of size 300 x 300 x 100 mm with one handle made out of 8 mm dia round bar, wire mesh and testing complete all as specified and as directed including dismantling old defective earth pit. Note: (i) Cost of GI earth Strip and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation.returninng & filling. PCC chamber pit,RCC cover & test point. (iii) If the desired earth resistance is not achived during testing as per IS the complete earthing shall be carried out again by the contractor at his own cost and no extra claim shall be admissable.

Supply and fixing GI earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required for 32 mm x 6 mm thick, Galvanised using porcelain clit/post insulators, complete all as specified and directed.

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