Military Engineer Services-MES has published Tender For Special Repairs Of Existing Ber Central Ac Plant For Mis Office/Server Room And Design And Documentation Bureau At Nsry At Naval Base Kochi. Submission Date for this Tender is 10-04-2023. HVAC Tenders in kochi Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 27-Mar-2023 | Corrigendum | BOQ | 03-04-2023 |
| 2 | 03-Apr-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 10-04-2023 |
| Sl. No. | Item Description |
| 1 | Dismantling and taking down all old package ACs of any capacity comprising of all indoor, outdoor units with control switches, refrigerant pipe lines, old ducts, etc and all connected items from MIS section at NSRY for facilating replacement of BER plants with new plants and transport for deposit at MES Store Yard Note: The rate is deemed to be included for making good to match the existing surfaces. |
| 2 | Supply, installation , testing and commissioning of Air cooled Floor mounted Packaged type inverter AC of capacity 16.5 TR, with combination of inverter and fixed compressor of energy efficient with inverter type,operation with Eco friendlyRefrigerent alongwith all standard fittings ,safety devices,HP/LP cutout,single phase preventor,OLR, suitable for operational on three phase AC electric supply,including requiredbrick/PCC foundation for base and installation work as per OEM recommendation with making up good existing walls/floors/ceiling with existing finishes,including suitable electric XLPE cable of size as per OEM recommendations forconnectingbetween indoor,outdoor units and electric switch breakers fixed on cable Tray complete all as specified and directed. Make: Blue star/Equivalent or nearest higher side capacity model incarrier/ Daikin |
| 3 | Note for Item No 2 :- (i) The false ceiling along with accessories required to be removed during the erection of ducts/AC units shall be repaired/replaced to existing shape or as per site requirement and as directed by EIC. (ii)The work shall be carried out through OEM/authorized agency. The contractor has to submit the line diagram and load calculation and necessary documents duly signed by OEM before starting the work.Any modification additional requirement is there, the contractor deemed to include the cost of the same in the quoted rate. (iii)If required capacity not available, the next higher capacity shall be provided by the contractor and the cost for the same deemed to be included in the unit cost. (iv)Any special items/accessories left out in the contract for successful completion of the work shall be provided by the contractor and the cost for the same deemed to be included in the unit cost. (v)Necessary PCC foundation/MS frames for indoor and outdoor units all be provided as per OEM specifications and recommendations. (vi)Any wall cutting and other masonary/structural works made during the execution of works to be finished as per existing surface and necessary colouring to be done all as specified and as directed.The cost for the same shall be deemed to include in the quoted rate. (vii) The quoted rate deemed to include the rate of controlling LT Panel with XLPE cable of suitable size and length as recommended by the OEM alongwith connected items and units complete all as directed by EIC. |
| 4 | (viii) Provision of fire extinguisher of dry chemical powder (ABC) extinguisher (IS: 2171) 5 Kg capacity - 02 Nos.The cost of the same is deemed to include in the quoted rate (ix) Digital thermometer of approved make shall be provided by the contractor.The cost of the same deemed to include in the quoted rate. (x) Sign board of Central AC Plant size 1000 x 600mm, weather proof made of white acrylic sheet 2 mm thick and writing “Package Type AC Plant for MIS Office/Server Room and Design & Documentation Bureau at NSRY” with arial black font with suitable size not exceeding 150 mm and minimumsize 100 mm and other accessories, fixing on walls/roof with suitable primary and secondary supports complete all as specified and as directed by EIC. |
| 5 | Material andlaying of Refrigerant piping (Suction & Discharge) Hard drawn from hard copper tube of suitable sizes as recommended by OEM , with copper elbows, tees all connecting material for Indoor and outdoor unit connections. Note: One run of both Suction & Discharge pipe line along with insulation shall be measured as one length complete all as specified and as directed. |
| 6 | Supply and fixingof Hard PVC drain piping. Drain Piping 40 mm up to drain disposal area with nitrile rubber insulation complete all as specified and directed. |
| 7 | Supply, assembly and erection of GI sheet of size 24 Gauge(0.63mm)with TDF flange rectangular/square duct made out of "L"shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc complete. |
| 8 | Supply , assembly and erection of GI sheet of size 22 Gauge(0.80mm)with TDF flange rectangular/square duct made out of "L" shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt,Gasket and appropriate sealant on longitudinal joints etc complete. |
| 9 | Supply and fixing and Application of Acoustic Insulation having 09 mm thickness at Inside the Duct with Engineered Nitrile Rubber open cell foam with Density 140 - 180 Kg/m3 passing Class 1 Fire Performance test as per BS 476 Part 7 to be applied using manufacturer"s recommended Rubber based Adhesive in a blend of solvents complete all as specified and as directed. |
| 10 | Supply and fixing Supply & Installation of Thermal Insulation having 09 mm thickness on Ducts not exposed to sunlight using Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40 - 55 Kg/m3, Thermal Conductivity of 0.037 W/mk at 200Celcius Mean Temp. and µ=7000 (without any additional vapour barrier), to be applied on Ducts using manufacturer"s recommended Rubber based Adhesive in a blend of solvents complete all as specified and as directed. |
| 11 | Material andLabour Machine made powder coatedsupply/return air square diffusers of aluminium construction including 18 G GI collar VCD for supply air inlet complete all as specified and as directed |
| 12 | Material and Labour superior quality of Canvas connectioncomplete all as specified and as directed |
| 13 | Supply and charging Refrigerant GasR410 A or eco friendly gas in sealed cylinder complete all as specified and as directed. |
| 14 | Supply and fixing and connecting up 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 as directed/specified for loop earthing etc as required ofgalvanised iron strip of size 32 x6 mmcomplete all as specified and directed. Note: Thisitem shall be measured for the quantity used at site aftre the length of strip 7.5 Mtr |
| 15 | Materials and labour for earthing complete with galvanised iron earth plate electrode of size 600 mm x 600 mm x 6 mm thick, burried directly and vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with and includinggalvanised earthstrip of size 32 x 6mm (Uptolength of 7.5Mtr strip including) by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia complete all as specifed and directed. |
| 16 | Supply and fixingMCCB 63 Amps 4 pole 25 kA Adjustable thermal magnetic & fixed magnetic type along with MCCB enclosure of F frame type complete all as specified and as directed. |
| 17 | S&F anodised aluminium snap grid frame work for false ceiling ,size of grip 605x605mm including necessary notching and prepared holes etc complete all as specified and as directed. |
| 18 | S&F hangers 6mm dia,GI 9( up to 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G I flat 40x3mm size 60mm long and and expansion hold fasteners 12.5mm dia 40mm long complete all as specified and as directed. |
| 19 | M & L for providing and fixing Gypsum Board 12mm thick in ceiling fixed with screw as per manufactures intrctions in repairs including necessary scafolding etc complete all as specified and as directed. |
| 20 | Dismantling of wall & ceiling, fiber,pulp,insulation etc including cover fillets complete all as specified and as directed. |
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