Design Assumptions

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Sl.No: Room Name Equ. Load 1 Office (if Seeting Available) 150 W/ PC ASHRAE 2 Office (if Seeting Notavailable) 30 W/Sq m 3 5 W/Sq m (Consid 4 Lobby (Non-Occupied area) Nil 5 Conference/Meeting room 5 W/Sq m 6 Restaurant, F & B 100 W/Sq m 7 Pool, Spa 8 Gym / Fitness 9 Copy/print: Heat Gain from copy m/c 550 W Heat Gain from PC 150 W Heat gain from Laptop's 1* 40 W Total heat gain 700 W 10 Pantry Heat gain from Fridge 310 W Heat gain from water cooler 310 W Heat gain from micro oven 1400 W Heat gain from coffee m/c 440 W Heat gain from water heater 440 W Total heat gain 2900 W Apply 50% diversity Expected total heat gain 1450 W Note: Latent heat for coffee m/c 220 W 11 Auditorium: ~(to be check) Heat Gain from PC 150 W Heat gain from projector 500 W Total heat gain 650 W Auditorium: (AU) Heat Gain from PC 150 W Heat gain from projector 2500 W Total heat gain 2650 W 12 Laundry (Big) ? 13 Residential Areas: a Living/Dining/Kitchen 800 W b Living/Dining 150 W c Kitchen 650 W d Bed room 150 W e Study 300 W Lobby, Pre function, Lounge, Waiting/Secretary, Exhibit open space (Occupied area)

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design assumption hvac

Transcript of Design Assumptions

SPSl.No:Room NameEqu. Load1Office (if Seeting Available)150 W/ PCASHRAE Fundamentals - Table 82Office (if Seeting Notavailable)30 W/Sq m3Lobby, Pre function, Lounge, Waiting/Secretary, Exhibit open space (Occupied area)5 W/Sq m(Considered as pre function)4Lobby (Non-Occupied area)Nil5Conference/Meeting room5 W/Sq m6Restaurant, F & B100 W/Sq m7Pool, Spa8Gym / Fitness9Copy/print:Heat Gain from copy m/c550WASHRAE Fundamentals - Table 9Heat Gain from PC150WASHRAE Fundamentals - Table 8Heat gain from Laptop's 1* 40 WTotal heat gain700W10PantryHeat gain from Fridge310WCIBSE Guide A - Table 6.A2Heat gain from water cooler310WAssumed Equivalent to fridgeHeat gain from micro oven1400WCIBSE Guide A - Table 6.A2Heat gain from coffee m/c440WCIBSE Guide A - Table 6.A2Heat gain from water heater440WAssumed Equivalent to coffee m/cTotal heat gain2900WApply 50% diversityExpected total heat gain1450WConsider as 1500 Was per MEP AssumptionsNote: Latent heat for coffee m/c 220 W11Auditorium: ~(to be check)Heat Gain from PC150WASHRAE Fundamentals - Table 8Heat gain from projector500WBENQ BrandTotal heat gain650WAuditorium: (AU)Heat Gain from PC150WASHRAE Fundamentals - Table 8Heat gain from projector2500Was per Electrical inputTotal heat gain2650W12Laundry (Big)?13Residential Areas:aLiving/Dining/Kitchen800 WbLiving/Dining150 WcKitchen650 WdBed room150 WeStudy300 WfLaundry (F1)NilUL2 SUITE800WAMeeting room ( For 8 people)Heat gain from CPU 1*100 W=100WASHRAE Fundamentals - Table 8Heat gain from projector 1* 500 W=500WBENQ BrandHeat gain from Laptop's 8* 40 W=320WASHRAE Fundamentals - Table 8Total heat gain=920WBMeeting room (For morther 10 seating)Heat gain from CPU 1*100 W=100WASHRAE Fundamentals - Table 8Heat gain from projector 1* 500 W=500WBENQ BrandHeat gain from Laptop's 32* 40 W=0WASHRAE Fundamentals - Table 8Heat gain from Laptop's 10* 40 W (consider 10 people for morther 10 seating)=400WASHRAE Fundamentals - Table 8Total heat gain=1000WCSeminar RoomHeat gain from CPU 1*100 W=100WASHRAE Fundamentals - Table 8Heat gain from projector 1* 500 W=500WBENQ BrandTotal heat gain=600WClass Room RoomHeat gain from CPU 1*100 W=100WASHRAE Fundamentals - Table 8Heat gain from projector 1* 500 W=500WBENQ BrandTotal heat gain=600WOther equipment plant:14IT Room/ Server Rm1 kW/Sq mAs per schedule received on 18.06.201315xxxxxx16Security / ICT Riser Cupbodoard2 kW17Server UPS10 kW18Server Equipment room150 kW19Security / ICT UPS room15 kW20Security / ICT equipment / BMS room70 kW21Tank + Pump room15 kW22Main Telecom Room30 kW23Poer factor correction panels1500 W/panel24Transformer room15 kW/Transformer25MV Swith gear room2 kw/RMU/VCB panel26LV Swith room100 w/Sq mHOT KITCHEN300 w/Sq mPREP AREA100 w/Sq m

Design dataSl. No:AssumptionsClarified date1Stairs to be Air-conditioned @ 26 deg C (Including Basement stairs) if separate space and consider 12.5 is the supply air temp.1General plant rooms & Elect Rooms to be Air-conditioned @ 30 deg C6/19/132IT room - Equ. Load: As per schedule sent by them3Lighting Assumed as 10 W/Sq m & ballast multiplier 1.00 (Residential Buildings)8/3/13Lighting Assumed as 12 W/Sq m & ballast multiplier 1.00 (Other Buildings)8/3/13Main Entrance Lobby: ___?____W/Sq m4Infiltration 0.5 ACH for Residential Buildings & 0.2 ACH for Other Buildings8/3/135Toilet to be Air-conditioned @ 26 deg C6Longitude = -51.57 deg E ?75 lps/sq m Extract considered for Comercial laundry2 ACH Extract considered for Residential laundryS1 - Loundry location not available?8Glass Type VG1 - 4 to be comfirm9Tel Rm - 1 Kw/m2101 people considered for all Electrical/lT/Tel room/Pantry/lift M/C control/PHE plant room/basement lobby/ Common laundry for HAP calculation only. *(will show in FA calculation for understanding)115 deg temperature difference considered for Non A/C area (partition)12Chilled water plant room Equipment load = 25 W/ Sq m13Hot water plant room Equipment load = 5 kW146 ACH considered for Ablution ExtractDD Stage:a)Lift / Elevator control room equipment load = 2000W (Basement)b)Basement Garbage room = 100 W for Latent load.Basement store room = 100 W for Latent load.c)Motorized Damper in Roof level1) ERU Suply and return side (2 Nos)2) FAHU (1 No)3) Extract Fan for laundry (1 No)d)VFD ConceptTO BE CONSIDERERUYESEC (Apartment which serving FA from ERU)YESEC (Common kitchen)NOFAHU (Common kitchen & Common laundry)NOEF (Common laundry & Garbage)NO(KITCHEN EXTRACT)F1 TO F6 VFD&MDS1&S2 MDS3 TO S6 NO MOTORISED DAMPER & NO VFDe)Roof Stair to be A/C at roof level with separate unit or combined with nearst roomf)Electrical Room (GF, (typical floor))2 kWnon Residential buildingElectrical Room ( Basement)3 kWRoof (As per sp assement)Electrical Room (Residential)ResidentialGF, (typical floor)1 kWBasement3 kWRoof (As per sp assement)g)Garbage room18 deg CExtract Rateh)Dry Storage10 ACHKitchen Preparation Area,20ACHPot Wash15ACHfrom DP tower-1Survery Area12ACHJuice Bar1.5 l/s/sqmPool Area2.4 l/s/sqmPantry1.5 l/s/sqmCan wash/Dish wash/Pot wash10 ACHAs per Jai instructioni)Office area occupancy10m2/personPressure drop for Unit selectionj)Academic AuditoriumAHU500paERU250pa/250paGeneralAHU & FAHU750paERU1050pa/750pak)Lift / Elevator (for No of FCU's & Location as per markup)Equpment load per lift6500 WDesign Temperature28 deg CSupply Temperature15 deg COccupancy per LiftNOl)hot kitchen areas300 w/m2.Kitchen preparation areas100 w/m2Dishwash50 w/m2Dining5 w/m2Occupancy for preparation/pot wash area (heat gain 80/80 W)2Pot wash50 w/m2m)HOT KITCHEN-FCUSupply temp12.5 deg CDesign temp27 deg CHOT KITCHEN-FAHUOff coil temp18/17 deg CPREPARATION AREA-FCUDesign Temp 2727 deg CSupply Temp12.5 deg C(if Room design temp is 15 deg C) Off coil temp is8.5/8 deg C to 9/8.5 deg CCPPREPARATION AREA-FAHUOff coil temp15/14.5 deg Cn)Carpark - Janitorial storage Extract rate7.5 l/s / m2consider as chemical storeU1 MEP room Extract rate7.5 l/s / m2consider as chemical storeS1 & S2 KITCHEN EXHAUST DUCTFD in plan & schemeS3 TO S6 KITCHEN EXHAUST DUCTNO FD in plan & schemeSYSTEM FOR S1 - S6 & F1 - F4S1 & S2ERU only No EC unit, Apartment kitchen extract to be connected to ERU through small shaft proposed in near to kitchenS3 to S6ERU1) ERU Suply and return side (2 Nos)2) FAHU (1 No)3) Extract Fan for laundry (1 No)

Space & System dataSpace:U - ValuesExternal wall0.28W/ Sq m KExternal wall (concrete wall)1.47W/ Sq m KRoof0.26W/ Sq m KPartition Wall1.48W/ Sq m KFloor partition1.79W/ Sq m KGlass (Exposed) - for Residential Building2W/ Sq m K(0.4 shading coefficient)Glass (Exposed) - for Other Building2.2W/ Sq m K(0.4 shading coefficient)Glass (partition)5.7W/ Sq m K(0.59 shading coefficient)Occupancy gain:SensibleLatentOffice/Residential75 W55 WPantry/Kitchen/ Dining Areas80 W80 WLaundry80 W140 WFitness center210 W315 WAuditorium70 W35 WOther specialized areasDiscussLighting:Residential Buildings10W/ Sq m(Ballast Multiplier: 1)Other Buildings12W/ Sq m(Ballast Multiplier: 1)Gym/Main lobby etcDiscussInfiltrationResidential Buildings0.5ACHOther Buildings0.2ACHSystem data:FCU'sAHU'sT-stat Setpoints:DiscussDiscussFCU'sT-stat Setpoints:Design Supply Temp.T-stat Throttling range1 deg K1 deg KIT Rm (Basement)22 deg C12.5 deg CDiversity factor-100%Elect Rm & Other Plant Rms, Lift control rm ( BF & RF)30 deg C15 deg CDesign Supply Temp.12.5 deg C12.5 deg COther Areas24 deg C12.5 deg CCoil Bypass factor0.120.12Combined areas( IT, Elect Rm, Corridoretc)24 deg C12.5 deg CFan typeForward curvedDraw thru, Backward curvedStair26 deg C12.5 deg CTotal Static200 Pa1200 PaAHU's24 deg CBased on 50 % RHFan overall efficiency60%60%AUDITORIUM23 deg C18 deg CChilled water Delta - T7 deg K7 deg KSafety Factors:Cooling sensible10%10%Cooling latent5%5%Duct System:Duct heat gain2%Duct leakage3%Return Air Plenum:Wall heat gain to plenum10%Roof heat gain to plenum70%Lighting heat gain to plenum30%