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Engineering Hub: System Design, Drawings & BOQ

Enter the duty, or describe any requirement and attach the drawing. AutoCAD, PDF, a spreadsheet or a photograph is accepted. The desk sizes what it can from NBC 2016 Part 4, IS 15105, IS 3844, IS 13039, TAC, NFPA 13, NFPA 20, IS 732, IS 3043, IS 2189, ISHRAE and ASHRAE 62.1, draws the P&ID or single-line diagram, the scaled plan, both elevations, section A-A and the isometric, and writes the bill. A PEB shed takes length, width, eave, bay, slope, basic wind speed, crane and cladding, and draws the framing plan, the anchor bolt plan, both elevations, section A-A and a rotatable 3D model. Fire suppression and fire detection sit under Fire protection, not as a separate project type. A mark you add on the sheet is saved with the download. A licensed engineer still stamps the issue.

Choose project type

HVAC is selected. The subcategories for this type are under this list. The drawing and the bill further down are the existing type page. A catalogue price is used when it matches. Otherwise a published Indian rate plus 20% is shown with its source. Erection is 10% of that system's materials, testing 2%, and transport 3%.

Subcategories

Each subcategory has its own design basis, calculation, drawings, bill and quotation.

AutoCAD DWG or DXF, PDF, a photograph, or a spreadsheet.

System

Drawing is listening

FACTORYCLIX PROCURERequirementCooling load 182 TR · Supply air 72,800 cfmEnquiry drawing. A licensed engineer stamps the issue. DWG stays a reference file.

Each instruction changes the drawing at once. It keeps taking the next one until you say stop.

Factoryclix

Rev A

SHEET 1 OF 6

CHW-1001 SUPPLYCHW-1002 RETURNSA / RACH-01Chiller1 no.200 TRAHUAir handling units1 no.1 × 60,000 cfm · 182 TR · 7…DUCTGI duct1,628 kgFDFire dampers8 no.TT-01Instrument bubbles are the scheme. A bubble with no quantity is not a bill line. Equipment quantities are the bill.Factoryclix / Proactive Industrial Pvt LtdHVACDRAWINGP&IDSHEET 1 OF 6SCALE NTSREV AEnquiry2,000 m² per floor · 2 floors · eave 8 mDesign basis Cooling load 182 TR · Supply air 72,800 cfm

Calculation

PartFormulaWorkingResultStandard
Cooling loadTR = (area per floor × floors) ÷ m² per TR2,000 m² × 2 floors ÷ 22 m²/TR.182 TRISHRAE / ASHRAE 62.1
Supply airThe larger of 400 cfm/TR and outdoor airCoil 72,800 cfm. Outdoor air 200 people × 10 L/s + 0.3 L/s·m² = 6,781 cfm.72,800 cfmASHRAE 62.1 / NBC Part 8

Design basis

PartSpecificationStandard
air handling unit 60000182 TR from 2,000 m² × 2 floors at the same m²/TR as the cooling tool. Supply 72,800 cfm. 1 × 60,000 cfm = 60,000 cfm, within about 10–20% above the required air.ISHRAE / ASHRAE 62.1 / NBC Part 8
chiller 200182 TR from 2,000 m² × 2 floors. 1 × 200 TR is the next standard chiller at or above that load.ASHRAE / ISHRAE
GI sheet 24 gauge per kgDuct sheet area 345.6 m² is an allowance, not a measured take-off: 240 lengths × 1.2 m × 1.2 m girth. 24 gauge is 0.60 mm, 4.71 kg/m². Weight = duct area × sheet weight = 1,628 kg. Priced per kg of that gauge.SMACNA
fire damperFire and volume dampers. The wall schedule fixes the real count.NBC Part 8
insulation nitrileChilled-pipe insulation, 48 m. The catalogue price is a 2 m tube, so the rate is that price divided by 2.NBC Part 8
Duct elbow346 m of duct. One 90° elbow about every 8 m, so the fittings stay under the duct-sheet allowance. 400 mm is the catalogue size until the duct drawing fixes the throat.SMACNA
Duct teeBranch tees off the same duct allowance.SMACNA
Duct reducerReducers off the same duct allowance.SMACNA
Volume damperVolume dampers in the branches. Fire dampers are already on the bill and are not counted again. 400 mm is the catalogue size.NBC Part 8
DiffuserOne 600×600 mm square diffuser or grille about every 20 m² of the floor. 600×600 is the published size used as the allowance.ISHRAE
Duct hangerGI duct clamps from 345.6 m² of sheet, one about every 3 m². The published piece is a 190 mm round duct clamp.SMACNA
SealantDuct joints on 345.6 m². One cartridge about every 15 m².Site practice
CHW valveChilled-water isolation on a 182 TR plant. Supply, return, bypass and drain. Bore 150 NB is the allowance for that load.API 600
CHW strainerStrainer on the chiller return.Site practice
CHW checkNon-return on the two CHW pumps or the bypass pair.API 594
CHW flangeTwo flanges on each of the four CHW valves.ASME B16.5
CHW gasketOne gasket on each CHW flange.ASME B16.20
BoltEight bolts on each of four CHW valve pairs. Calc 32 bolts | Billed 1 lot of 100. M16 × 60 mm, grade 8.8. The catalogue price is a box or lot, so it is not multiplied by the bolt count.ISO 4014
Pressure gaugeCHW supply and return. 4 inch dial, 0–10 kg/cm².IS 3624
HangerCHW pipe hanger allowance, 12 m a floor. One hanger about every 3 m, 8 clamps, 150 mm to match the line. Price on request unless the catalogue has this bore. An 80 mm clamp is not used on a different line.Site practice
TestingHVAC testing and commissioning. 2% of this system's material subtotal, ex-GST. GST 18% is added on this allowance.Site practice
ErectionHVAC erection and installation labour. 10% of this system's material subtotal, ex-GST. GST 18% is added on this allowance.Site practice
TransportHVAC transport and freight. 3% of this system's material subtotal, ex-GST. GST 18% is added on this allowance.Site practice

HVAC BOQ

Proactive Industrial Private LimitedGSTIN: 24AAQCP1475R1ZLRegistered office: C-119, Siddhivinayak Business Tower, Makarba, Sarkhej, Ahmedabad, Gujarat 380051Branch offices: Vadodara | Padal (Kheda) | Bharuch

Supply

  • air handling unit 60000

    182 TR from 2,000 m² × 2 floors at the same m²/TR as the cooling tool. Supply 72,800 cfm. 1 × 60,000 cfm = 60,000 cfm, within about 10–20% above the required air. · ISHRAE / ASHRAE 62.1 / NBC Part 8

    1 no. × —

    GST —

    Amount —

  • chiller 200

    182 TR from 2,000 m² × 2 floors. 1 × 200 TR is the next standard chiller at or above that load. · ASHRAE / ISHRAE

    1 no. × —

    GST —

    Amount —

  • GI sheet 24 gauge per kg

    Duct sheet area 345.6 m² is an allowance, not a measured take-off: 240 lengths × 1.2 m × 1.2 m girth. 24 gauge is 0.60 mm, 4.71 kg/m². Weight = duct area × sheet weight = 1,628 kg. Priced per kg of that gauge. · SMACNA

    1628 kg × —

    GST —

    Amount —

  • fire damper

    Fire and volume dampers. The wall schedule fixes the real count. · NBC Part 8

    8 no. × —

    GST —

    Amount —

  • insulation nitrile

    Chilled-pipe insulation, 48 m. The catalogue price is a 2 m tube, so the rate is that price divided by 2. · NBC Part 8

    48 m × —

    GST —

    Amount —

  • duct fitting 90 elbow 400 mm

    346 m of duct. One 90° elbow about every 8 m, so the fittings stay under the duct-sheet allowance. 400 mm is the catalogue size until the duct drawing fixes the throat. · SMACNA

    44 no. × —

    GST —

    Amount —

  • duct fitting tee 400 mm

    Branch tees off the same duct allowance. · SMACNA

    22 no. × —

    GST —

    Amount —

  • duct fitting reducer 400 mm

    Reducers off the same duct allowance. · SMACNA

    15 no. × —

    GST —

    Amount —

  • volume damper 400 mm

    Volume dampers in the branches. Fire dampers are already on the bill and are not counted again. 400 mm is the catalogue size. · NBC Part 8

    5 no. × —

    GST —

    Amount —

  • square diffuser grille

    One 600×600 mm square diffuser or grille about every 20 m² of the floor. 600×600 is the published size used as the allowance. · ISHRAE

    100 no. × —

    GST —

    Amount —

  • duct hanger

    GI duct clamps from 345.6 m² of sheet, one about every 3 m². The published piece is a 190 mm round duct clamp. · SMACNA

    116 no. × —

    GST —

    Amount —

  • silicone sealant 280 ml

    Duct joints on 345.6 m². One cartridge about every 15 m². · Site practice

    24 no. × —

    GST —

    Amount —

  • gate valve 150 NB

    Chilled-water isolation on a 182 TR plant. Supply, return, bypass and drain. Bore 150 NB is the allowance for that load. · API 600

    4 no. × —

    GST —

    Amount —

  • Y strainer 150 NB

    Strainer on the chiller return. · Site practice

    1 no. × —

    GST —

    Amount —

  • check valve 150 NB

    Non-return on the two CHW pumps or the bypass pair. · API 594

    2 no. × —

    GST —

    Amount —

  • flange 150 NB class 150 A105

    Two flanges on each of the four CHW valves. · ASME B16.5

    8 no. × —

    GST —

    Amount —

  • spiral wound gasket 150 NB class 150

    One gasket on each CHW flange. · ASME B16.20

    8 no. × —

    GST —

    Amount —

  • hex bolt M16 60 mm grade 8.8

    Eight bolts on each of four CHW valve pairs. Calc 32 bolts | Billed 1 lot of 100. M16 × 60 mm, grade 8.8. The catalogue price is a box or lot, so it is not multiplied by the bolt count. · ISO 4014

    1 lot × —

    GST —

    Amount —

  • pressure gauge

    CHW supply and return. 4 inch dial, 0–10 kg/cm². · IS 3624

    2 no. × —

    GST —

    Amount —

  • GI pipe clamp 150 mm

    CHW pipe hanger allowance, 12 m a floor. One hanger about every 3 m, 8 clamps, 150 mm to match the line. Price on request unless the catalogue has this bore. An 80 mm clamp is not used on a different line. · Site practice

    8 no. × —

    GST —

    Amount —

  • transport to site

    HVAC transport and freight. 3% of this system's material subtotal, ex-GST. GST 18% is added on this allowance. · Site practice

    1 lot × —

    GST —

    Amount —

Supply subtotal—

Installation

  • testing and commissioning

    HVAC testing and commissioning. 2% of this system's material subtotal, ex-GST. GST 18% is added on this allowance. · Site practice

    1 lot × —

    GST —

    Amount —

  • erection and labour

    HVAC erection and installation labour. 10% of this system's material subtotal, ex-GST. GST 18% is added on this allowance. · Site practice

    1 lot × —

    GST —

    Amount —

Installation subtotal—

GST —

Grand total —

Supply is the material and the transport. Installation is erection, testing and commissioning, and the other site services. Each section has its own ex-GST subtotal. GST and the grand total follow. A catalogue match is used when the catalogue has a price. Where it does not, the rate is a published Indian marketplace or maker price plus 20%, and the source is on the line. Every material rate is ex-GST, and GST at 18% is added on it. A published price that already included GST is converted to the ex-GST figure and 18% is shown separately. Erection and installation labour is 10% of that system's material subtotal, testing and commissioning 2%, and transport 3%, with GST at 18% on those allowances.

Freight

Ahmedabad to Vadodara · about 131 km · chargeable 150 kg

Freight ₹1,800 ex-GST · GST ₹324 · Payable ₹2,124

Road part-load from the pincode. Chargeable weight is the higher of actual kg and 300 kg per cubic metre. Confirm the truck before a PO.

  • 2,000 m² is the area of one floor, 2 floors, 8 m height. Sprinkler heads, sprinkler branch pipe and smoke detectors are that floor counted again on every floor. The sprinkler pump stays on the remote design area.
  • Prices on the quotation are ex-GST. A catalogue match is used first. Where the catalogue has no price, a published Indian rate plus 20% is used and the source is on the line. GST at 18% is added on every material line. A price the source already quoted including GST is converted to the ex-GST rate and 18% is shown separately. Erection and installation labour is 10% of that system's material subtotal, testing and commissioning 2%, and transport 3%. GST 18% is added on those allowances.
  • Standards cited on this desk: NBC 2016 Part 4, IS 15105, IS 3844, IS 13039, TAC, NFPA 13, NFPA 20, IS 732, IS 3043, IS 2189, ISHRAE and ASHRAE 62.1.

Get this designed & installed by us

Statutory

  • This is an enquiry BOQ, not a sanctioned design. A licensed consultant stamps the drawing before construction.
  • The heat load, fresh-air schedule and fire-damper schedule are part of the design. ECBC applies to a commercial building above the state threshold. A licensed MEP consultant stamps the drawing before construction.