GENERAL Providing AC at fourth floor Survey Directorate Vazhuthacaud AC installation Electrical AC Work

Air-Conditioing Units

OD249466/2025-2026:Supply, installation, testing and commissioning of one way cassette type VRF indoor unit. All indoors have electronic expansion valve that controls the flow of refrigerant in respond to the load variations of room according to set temperature, which can set by remote controllers. Electricity characteristics for indoor unit shall be 240 volts/ 1phase /50hz. Unit shall be provided wireless remote controller and it should facilitate on/ off function, change of temperature settings, fan speed setting, operation mode settings as required. 1-Way Cassette Type - 1 TR

OD249457/2025-2026:Supply, installation, testing and commissioning of Four way cassette type VRF indoor unit. All indoors have electronic expansion valve that controls the flow of refrigerant in respond to the load variations of room according to set temperature, which can set by remote controllers. Electricity characteristics for indoor unit shall be 240 volts/ 1phase /50hz. Unit shall be provided wireless remote controller and it should facilitate on/ off function, change of temperature settings, fan speed setting, operation mode settings and its connected accessories as required. 4-Way Cassette Type - 2.0 TR

OD249965/2025-2026:Supply, installation, testing and commissioning of wall mounting split type VRF indoor unit. All indoors have electronic expansion valve that controls the flow of refrigerant in respond to the load variations of room according to set temperature, which can set by remote controllers. Electricity characteristics for indoor unit shall be 240 volts/ 1phase /50hz. Unit shall be provided wireless remote controller and it should facilitate on/ off function, change of temperature settings, fan speed setting, operation mode settings as required. 1.5TR WALL MOUNTING SPLIT TYPE VRF INDOOR UNIT.

OD249966/2025-2026:Supply, installation, testing and commissioning of wall mounting split type VRF indoor unit. All indoors have electronic expansion valve that controls the flow of refrigerant in respond to the load variations of room according to set temperature, which can set by remote controllers. Electricity characteristics for indoor unit shall be 240 volts/ 1phase /50hz. Unit shall be provided wireless remote controller and it should facilitate on/ off function, change of temperature settings, fan speed setting, operation mode settings as required. 2TR WALL MOUNTING SPLIT TYPE VRF INDOOR UNIT.

OD249465/2025-2026:Supply, Installation, Testing and Commissioning of modular type VRF odu. the outdoor unit shall be factory assembled, weather proof casing, constructed from heavy gauge mild steel panels and coated with baked enamel finish. The unit should be completely factory wired tested with all necessary controls. Outdoors units of the VRF /VRV system shall be compact air-cooled type. all the compressors of the outdoor units must be hermetically sealed BLDC inverter scroll/twin rotary type. Oem should use there on make compressors in VRF /VRV system which is to be supplied. System cop shall not be less than 3.4 at AHRI Conditions Air condition and suitable to operate at heat load proportional to indoor temperature requirement. Aluminum fins of condenser coil shall have anti corrosive epoxy resin ocean black coating along with hydrophilic coating pre coated at factory. The anti-corrosive treatment should have been tested for at least 2500 hrs of standard salt spray test and must have a certified life of minimum 20 years supported by certificate from reputed international institution is mandatory. The treatment should be suitable for areas of high pollution and salt laden air. modular system to be configured as per mention modules given in bracket and its connected accessories as required. 16 HP

OD249449/2025-2026:Supply, Installation, Testing and Commissioning of modular type VRF odu. the outdoor unit shall be factory assembled, weather proof casing, constructed from heavy gauge mild steel panels and coated with baked enamel finish. The unit should be completely factory wired tested with all necessary controls. Outdoors units of the VRF /VRV system shall be compact air-cooled type. all the compressors of the outdoor units must be hermetically sealed BLDC inverter scroll/twin rotary type. Oem should use there on make compressors in VRF /VRV system which is to be supplied. System cop shall not be less than 3.4 at AHRI Conditions Air condition and suitable to operate at heat load proportional to indoor temperature requirement. Aluminum fins of condenser coil shall have anti corrosive epoxy resin ocean black coating along with hydrophilic coating pre coated at factory. The anti-corrosive treatment should have been tested for at least 2500 hrs of standard salt spray test and must have a certified life of minimum 20 years supported by certificate from reputed international institution is mandatory. The treatment should be suitable for areas of high pollution and salt laden air. modular system to be configured as per mention modules given in bracket and its connected accessories as required. Make: 14 HP

OD249464/2025-2026:Supply,installation,testing and commissioning of 'y'joints outdoor suction id 38.1mm and Liquids id up to 19.1mm

OD249443/2025-2026:Supply, installation, testing and commissioning of Y joints with connected accessories for indoor side as required

OD249458/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 6.35 mm dia as required

OD249440/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 9.52 mm dia as required

OD249468/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 12.7 mm dia as required

OD249442/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 15.9 mm dia as required

OD249469/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 19.05 mm dia as required

OD249463/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 22.2 mm dia as required

OD249450/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 28.6 mm dia as required

OD249455/2025-2026:SITC of hard drawn copper refrigerant piping including all accessories including joints properly brazed insulated with chemically crosslinked nitrile rubber fire retardant grade class 'O' 13 mm Thickness necessary supports as required of size 34.9 mm dia as required

90.6.4.56:Supply and drawing 650/1100 V grade FRLS PVC insulated stranded single core copper conductor cables conforming to IS 694 part I 1990 in the existing surface / recess conduit as required including giving necessary connections of the following sizes.10.00 sq.mm 6 Run

90.6.5.4:Supply and drawing the following sizes of multi-core PVC insulated & FRLS PVC sheathed 650/1100 V grade copper conductor round flexible cables conforming to IS 694 part I 1960 in the existing surface / recess conduit as required including giving necessary connections of the following sizes.2 core 1.50 sq mm

1.17.6:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.6 x 1.5 sq. mm

1.21.1:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm

1.21.2:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.25 mm

1.21.3:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.32 mm

OD249441/2025-2026:Charges for supply and filling the R 410 refrigerant gas in the existing air conditioning system as required

90.14.4:Supply and fabrication conveyance and installation of base frame of panel board using 75 x 40 mm rolled steel channel (ISMC)

90.14.5:Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board

OD249439/2025-2026:Supply,installation,testing and commissioning of insulated condensate drain piping out of PVC-6kg/cm2 pipes complete with hangers/ supports/ clamps/clips and all fittings etc and insulated with 13 mm thoick nitrile rubber sleeves and joints sealed with 50 mm black PVC tapes-32 mm dia

OD249467/2025-2026:Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

14.12:Providing 15mm thick cement plaster of mix 1:4(1 cement: 4 fine sand) at all levels

14.7:Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Please Enable Macros to View BoQ information