African Development Bank Group

Transcription

1 African Development Bank Group African Development Bank's Field Office in Abuja, Nigeria LOT 2: VOL 3-2 BILLS OF QUANTITIES: MECHANICAL (HVAC SERVICES) WORKS Prepared by Interstate Architects Ltd. In Conjunction with: IAA Associates Ltd. KOA Associates Ltd. & Construction Economists Partnership Ltd.

2 BILL No. 1 - PLANTS AND EQUIPMENT Supply and install the following plants and equipment. Further schedules of some of the items are given at the end of this bill. Tenderer is expected to be familiar with the specifed manufacturers and is to submit appropriate brochures of the specified items (or an equivalent product of another acceptable manufacturer as shall be agreed with the Client and Consultants. FIXED 1 Chillers Unit shall be complete with heat recovery accessories. Allow for anti-corrosion treatment. Controls shall be interfaced intio a BMS system. E.g. Trane air cooled helical rotary chillers (RTAD 085) or approved equal Chiller 0-1&2 (duty and duty) cooling cap: 255kW temp diff: 6.0 o ambient: 40oC DB, 28 0 C WB 2 Nos 2 Chilled Water Circulating Pumps e.g Pullen, Grundfos or approved equal Constant flow pimary circuit pumps. Pumps shall be the vertical type mounted indoors (IP55 rating) P 0-1&2 (duty/standby) kPa 2 no 3 Make-up and pressurisation unit comprising pumps, tank, pneumatic vessel, accessories and interconnecting pipework as detailed in drawing. 1 set 4 Chemical dosing unit comprising of tank, dosing pump and all accessories 1 No 5 Line pressurisation vessel - chilled water system 1 No Page 1-1 To Bill Collection IAL AfDB BOQ HVAC 1

3 BILL No. 1 (Cont'd) - PLANTS AND EQUIPMENT FIXED 6 Allow for anti-vibration mounting of all equipment. sum Air Handling Units (e.g. Trane CLCP or approved equal) Modular double skin chilled water air handlers, coil shall be copper/aluminum Air handling configuration shall follow the following modules: I - Inlet plenum M - Mixing box P - Flat pleated panel filter (rated F7) B - Bag filter (rated F9) C - Cooling coil (chilled water) A - Access Box F - Centrifugal fan unit O - Outlet plenum Air flow rates are nominal values. The AHU shall be rated an extra 5% to cater for duct leakage and balancing. 7 AHU 0-1 (Horizontal) 1 No Config: M-P-B-C-A-F airflow: l/s cooling load: 43.08kW ESR: 428 Pa 8 AHU 5-1 & 2 (Vertical) - duty/duty 2 No Config: I-P-C-A-F airflow: l/s cooling load: kW ESR: 890 Pa Page 1-2 To Bill Collection IAL AfDB BOQ HVAC 2

4 BILL No. 1 (Cont'd) - PLANTS AND EQUIPMENT FIXED Extract Fan e.g Flakt Woods or approved equal. In-duct aerofoil fans are to be mounted in acoustic insulated enclosures (boxes) and rated IP65. Fans shall be generally selected for speeds not exceeding 1500rpm except otherwise agreed with the Consultant. Break out noise (after allowing for acoustic insulation) shall not exceed 40dB Fans shall be duplicate operating on a duty/standby basis 9 TEF 6-1&2 (duty/standby) - Toilet extract Pa 2 Nos 10 EF 6-1&2 - Atrium ventilation Fans shall be rated 'flame proof' Pa 2 Nos Staircase pressurisation Fan e.g Flakt Woods or approved equal. In-duct aerofoil fans are to be mounted in acoustic insulated enclosures (boxes) and rated IP65. Fans shall be generally selected for speeds not exceeding 1500rpm except otherwise agreed with the Consultant. Break out noise (after allowing for acoustic insulation) shall not exceed 40dB Fans shall be duplicate operating on a duty/standby basis 11 SPF 6-1&2 (duty/standby) - escape stair pressurisation Pa 2 Nos Page 1-3 To Bill Collection IAL AfDB BOQ HVAC 3

5 BILL No. 1 (Cont'd) - PLANTS AND EQUIPMENT FIXED Computer Room Air conditioning units (CRAC 1-1&2) - duty/standby Units shall have DX coils and shall be complete with matching air cooled condensing units. Units shall be c/w all integral microprocessor controls for temperature and humidity, display unit, alarm indication. Units shall have autorestart facility. Provide dry contacts for connections to fire alarm system and BMS. Refrigerant shall be R410A or better (The option for electric reheat and humidifier shall be quoted seperately and shall be optional). Eg Airedale Logicool In-Rak (data centre unit) or approved equal. 12 CRAC 1-1&2 cooling cap: 26.20kW total, 25.75kW sens. airflow: 2326 l/s Refrigerant piping for CRAC units. Allow for insulation and sheating Condensate piping for CRAC units using 25mmDIA HDPE. Allow for insulation 2 No 13 Line pressurisation vessel - chilled water system 1 No 14 Allow for anti-vibration mounting of all equipment. Wall Extract Fan e.g Xpelair or approved equal. 15 EF Battery extract 36 l/s 1 No 16 EF Disabled Toilet 50 l/s 1 No COLLECTION pg 1-1 pg 1-2 pg 1-3 Page 1-4 pg 1-4 To Summary IAL AfDB BOQ HVAC 4

6 BILL No. 2/1 - VRF Installation Supply and install the following plants and equipment. Tenderer is expected to be familiar with the specifed manufacturers and is to submit appropriate brochures of the specified items (or an equivalent product of another acceptable manufacturer as shall be agreed with the Client and Consultants. FIXED Outdoor air-cooled VRF condensing units, capable of multiple indoor units and zone, with extended range refrigerant piping. Operating outdoor temperature is 40oC. High COP. Refrigerant shall be R410A. E.g. Daikin, LG, or approved equal. Note that the capacities stated below are for the combined floor load and are not additions of the individual capacities of the indoor units. 1 VRF 6-1 (serving ground floor) cap: 85.23kW 1 no 2 VRF 6-2 (serving first floor) cap: 56.03kW 1 no 3 VRF 6-3 (serving second floor) cap: 60.86kW 1 no 4 VRF 6-4 (serving third floor) cap: 61.69kW 1 no 5 VRF 6-5 (serving fourth floor) cap: 63.58kW 1 no 6 VRF 6-6 is for the future 5th floor development and is not measured in this developmental phase. Page 2/1 To Bill Collection IAL AfDB BOQ HVAC 1

7 BILL No. 2/2 - VRF Installation FIXED Indoor VRF Cassette Units (CAS) Ceiling mounted cassette coil unit, matched to outdoor unit, with galvanised sheeting treated for corrosion, 3-speed fan, integral condensate pump, easily accessible and cleanable EU4 filter with anti-bacterial and mildew treatment, connections for remote control of fan and space temperature, all mounting and fixing accessories. Unit shall have port for BMS signal connection. Include for unit cabled remote control and wall mounted thermostat/controller. NOTE: equipment selection shall be at low fan speed and entering condition of 23.0/16.4 o C (except otherwise indicated in the drawing schedules) GROUND FLOOR 1 CAS no Cooling cap: 2.99kW Nominal airflow: 186 l/s 2 CAS no Cooling cap: 2.99 kw Nominal airflow: 186 l/s 3 CAS no Cooling cap: 2.99kW Nominal airflow: 186 l/s 4 CAS no Cooling cap: 2.99kW Nominal airflow: 186 l/s 5 CAS no Cooling cap: 2.65kW Nominal airflow: 225 l/s 6 CAS no Cooling cap: 2.65kW Nominal airflow: 225 l/s 7 CAS no Cooling cap: 2.65kW Nominal airflow: 225 l/s Page 2/2-1 To Sub Collection IAL AfDB BOQ HVAC 2

8 BILL No. 2/2 (Cont'd) - VRF Installation FIXED Indoor VRF Cassette Units (CAS): ground floor 8 CAS no Cooling cap: 2.65kW Nominal airflow: 225 l/s 9 CAS no Cooling cap: 2.65kW Nominal airflow: 225 l/s 10 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 11 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 12 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 13 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 14 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 15 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 16 CAS no Cooling cap: 3.00kW Nominal airflow: 245 l/s 17 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s 18 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s Page 2/2-2 To Sub Collection IAL AfDB BOQ HVAC 3

9 BILL No. 2/2 (Cont'd) - VRF Installation Indoor VRF Cassette Units (CAS): ground floor 19 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s 20 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s FIXED 21 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s 22 CAS no Cooling cap: 3.35kW Nominal airflow: 260 l/s 23 CAS no Cooling cap: 2.15kW Nominal airflow: 188 l/s 24 CAS no Cooling cap: 2.15kW Nominal airflow: 188 l/s 25 CAS no Cooling cap: 2.15kW Nominal airflow: 188 l/s 26 CAS no Cooling cap: 2.32kW Nominal airflow: 175 l/s 27 CAS no Cooling cap: 1.80kW Nominal airflow: 136 l/s 28 CAS no Cooling cap: 2.72kW Nominal airflow: 252 l/s 29 CAS no Cooling cap: 3.00kW Nominal airflow: 225 l/s 30 CAS no Cooling cap: 2.63kW Nominal airflow: 228 l/s SUB-COLLECTION page 2/2-1 page 2/2-2 page 2/2-3 Page 2/2-3 To Bill Collection (ground floor CAS) IAL AfDB BOQ HVAC 4

10 BILL No. 2/3 - VRF Installation FIXED Indoor VRF Cassette Units (CAS): first floor 1 CAS no Cooling cap: 2.40kW Nominal airflow: 200 l/s 2 CAS no Cooling cap: 2.40kW Nominal airflow: 200 l/s 3 CAS no Cooling cap: 3.67kW Nominal airflow: 335 l/s 4 CAS no Cooling cap: 3.67kW Nominal airflow: 335 l/s 5 CAS no Cooling cap: 2.43kW Nominal airflow: 220 l/s 6 CAS no Cooling cap: 2.43kW Nominal airflow: 220 l/s 7 CAS no Cooling cap: 2.95kW Nominal airflow: 258 l/s 8 CAS no Cooling cap: 2.95kW Nominal airflow: 258 l/s 9 CAS no Cooling cap: 1.76kW Nominal airflow: 165 l/s 10 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s 11 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s Page 2/3-1 To Sub Collection IAL AfDB BOQ HVAC 5

11 BILL No. 2/3 ( Cont'd) - VRF Installation FIXED Indoor VRF Cassette Units (CAS): first floor 12 CAS no Cooling cap: 2.84kW Nominal airflow: 243 l/s 13 CAS no Cooling cap: 3.48kW Nominal airflow: 307 l/s 14 CAS no Cooling cap: 3.48kW Nominal airflow: 307 l/s 15 CAS no Cooling cap: 3.48kW Nominal airflow: 307 l/s 16 CAS no Cooling cap: 3.48kW Nominal airflow: 307 l/s 17 CAS no Cooling cap: 3.48kW Nominal airflow: 307 l/s 18 CAS no Cooling cap: 1.91kW Nominal airflow: 172 l/s 19 CAS no Cooling cap: 0.88kW Nominal airflow: 76 l/s SUB-COLLECTION page 2/3-1 page 2/3-2 Page 2/3-2 To Bill Collection (first floor CAS) IAL AfDB BOQ HVAC 6

12 BILL No. 2/4 - VRF Installation FIXED Indoor VRF Cassette Units (CAS): second floor 1 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 2 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 3 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 4 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 5 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 6 CAS no Cooling cap: 3.58kW Nominal airflow: 318 l/s 7 CAS no Cooling cap: 1.79kW Nominal airflow: 166 l/s 8 CAS no Cooling cap: 1.76kW Nominal airflow: 165 l/s 9 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s 10 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s 11 CAS no Cooling cap: 3.04kW Nominal airflow: 278 l/s Page 2/4-1 To Sub Collection IAL AfDB BOQ HVAC 7

13 BILL No. 2/4 (Cont'd) - VRF Installation FIXED Indoor VRF Cassette Units (CAS): second floor 12 CAS no Cooling cap: 3.04kW Nominal airflow: 278 l/s 13 CAS no Cooling cap: 3.46kW Nominal airflow: 300 l/s 14 CAS no Cooling cap: 3.05kW Nominal airflow: 271 l/s 15 CAS no Cooling cap: 3.05kW Nominal airflow: 271 l/s 16 CAS no Cooling cap: 3.05kW Nominal airflow: 271 l/s 17 CAS no Cooling cap: 3.05kW Nominal airflow: 271 l/s 18 CAS no Cooling cap: 3.05kW Nominal airflow: 271 l/s 19 CAS no Cooling cap: 1.62kW Nominal airflow: 145 l/s 20 CAS no Cooling cap: 1.08kW Nominal airflow: 90 l/s SUB-COLLECTION page 2/4-1 page 2/4-2 Page 2/4-2 To Bill Collection (second floor CAS) IAL AfDB BOQ HVAC 8

14 BILL No. 2/5 - VRF Installation FIXED Indoor VRF Cassette Units (CAS): third floor 1 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 2 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 3 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 4 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 5 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 6 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 7 CAS no Cooling cap: 3.35kW Nominal airflow: 297 l/s 8 CAS no Cooling cap: 1.76kW Nominal airflow: 165 l/s 9 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s 10 CAS no Cooling cap: 4.17kW Nominal airflow: 345 l/s 11 CAS no Cooling cap: 3.09kW Nominal airflow: 266 l/s Page 2/5-1 To Sub Collection IAL AfDB BOQ HVAC 9

15 BILL No. 2/5 (Cont'd) - VRF Installation FIXED Indoor VRF Cassette Units (CAS): third floor 12 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 13 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 14 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 15 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 16 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 17 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 18 CAS no Cooling cap: 3.20kW Nominal airflow: 283 l/s 19 CAS no Cooling cap: 1.57kW Nominal airflow: 140 l/s 20 CAS no Cooling cap: 1.08kW Nominal airflow: 90 l/s SUB-COLLECTION page 2/5-1 page 2/5-2 Page 2/5-2 To Bill Collection (third floor CAS) IAL AfDB BOQ HVAC 10

16 BILL No. 2/6 - VRF Installation FIXED Indoor VRF Cassette Units (CAS): fourth floor 1 CAS no cooling cap: 2.94kW Nominal airflow: 259 l/s 2 CAS no cooling cap: 2.94kW Nominal airflow: 259 l/s 3 CAS no cooling cap: 2.94kW Nominal airflow: 259 l/s 4 CAS no cooling cap: 2.94kW Nominal airflow: 259 l/s 5 CAS no Cooling cap: 3.20kW Nominal airflow: 288 l/s 6 CAS no Cooling cap: 3.20kW Nominal airflow: 288 l/s 7 CAS no Cooling cap: 3.20kW Nominal airflow: 288 l/s 8 CAS no Cooling cap: 3.20kW Nominal airflow: 288 l/s 9 CAS no Cooling cap: 1.99kW Nominal airflow: 187 l/s 10 CAS no Cooling cap: 4.20kW Nominal airflow: 348 l/s 11 CAS no Cooling cap: 4.20kW Nominal airflow: 348 l/s Page 2/6-1 To Sub Collection IAL AfDB BOQ HVAC 11

17 BILL No. 2/6 (Cont'd) - VRF Installation FIXED Indoor VRF Cassette Units (CAS): fourth floor 12 CAS no Cooling cap: 3.12kW Nominal airflow: 269 l/s 13 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 14 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 15 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 16 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 17 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 18 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 19 CAS no Cooling cap: 3.24kW Nominal airflow: 287 l/s 20 CAS no Cooling cap: 1.59kW Nominal airflow: 142 l/s 21 CAS no Cooling cap: 1.24kW Nominal airflow: 115 l/s SUB-COLLECTION page 2/6-1 page 2/6-2 Page 2/6-2 To Bill Collection (fourth floor CAS) IAL AfDB BOQ HVAC 12

18 BILL No. 2/7 - VRF Installation Accessories Supply and install accessories associated with the VRF units indicated above FIXED 1 Remote control and thermostat unit incorporating 3-speed fan control. Allow for cabling - ground floor units - first floor units - second floor units - third floor units - fourth floor units Instrumentation and controls 2 Supply and install system logic-based electrical and auto-control panel. Control unit to include for desktop PC and monitor (mounted in the 5th floor plant room). Panel shall allow for all electrical power protections - phase failure, under/over current, surge protection, etc. Include for step down transformer for controllers all to give a fully functional system 1 no 3 Allow for control cabling from all indoor and outdoor units to the control panel - outdoor units - ground floor units - first floor units - second floor units - third floor units - fourth floor units 4 Allow for power cabling to outdoor units. Include for outdoor mounted local isolators. 5 Allow for cable fixing, hangers, conduits, supports Page 2/7-1 To Bill Collection IAL AfDB BOQ HVAC 13

19 BILL No. 2/7 (Cont'd) - VRF Installation FIXED Refrigerant piping 6 Supply and install all refrigerant piping using copper (BS 2871). The tenderer shall submit computer based pipe sizing calculations appropriate to the product being tendered and a breakdown of the costings for each floor extended and totalled to the figures inserted in this BOQ. The refrigerant installation shall be from the roof mounted outdoor units to the indoor units on each floor. Rates shall include for all fittings and accessories - ground floor units - first floor units - second floor units - third floor units - fourth floor units 7 Supply and install insulations to all refrigerant piping using armaflex tubing (or approved equivalent) of appropriate thickness. Rates shall include for all fittings and accessories - ground floor units - first floor units - second floor units - third floor units - fourth floor units Page 2/7-2 To Bill Collection IAL AfDB BOQ HVAC 14

20 BILL No. 2/7 (Cont'd) - VRF Installation FIXED 8 Condensate piping Supply and install all condensate piping to the indoor units using HDPE piping. The layout shall be as indicated in the design drawings. Rates shall include for all fittings and accessories. Rates shall includes for 20mm thick armaflex (or approved equal) insulation tubing. ground floor units 25mm dia 62 m 50mm dia 144 m 80mm dia (stack for entire installation and connection to drain channels) 72 m first floor units 25mm dia 46 m 50mm dia 96 m second floor units 25mm dia 46 m 50mm dia 96 m third floor units 25mm dia 44 m 50mm dia 96 m fourth floor units 25mm dia 44 m 50mm dia 96 m 9 Allow for pipe fixing, brackets, hangers, supports to sub collection COLLECTION page 2/7-1 page 2/7-2 page 2/7-3 Page 2/7-3 To Bill Collection IAL AfDB BOQ HVAC 15

21 BILL No. 2 - VRF Installation FIXED BILL COLLECTION bill 2/1 bill 2/2 bill 2/3 bill 2/4 bill 2/5 bill 2/6 bill 2/7 To Summary IAL AfDB BOQ HVAC 16

22 BILL No. 3 - DUCTWORK FIXED Supply and install the following (refer to drawing and specification for details). All air diffusion units shall be extruded aluminum (except otherwise indicated) and shall be to RAL colour to be approved by the architect Ductwork 1 Galvanised sheet metal ductwork (using appropriate guages as specified) m 2 2 Provided for insulation to duct using 25mm foil faced mineral fibre insulation and vapour barrier. 978 m 2 3 Provided for internal thermal and acoustic duct liner to duct above using 50mm thick non fibre medical grade insulation and vapour barrier with anti-bacterial and anti-fungal treatment e.g. Armaflex/Armacell, KFlexUSA or approved equal. Include for fasterners, etc Insulations within plantrooms shall be internal. Also insulations up to 10m from (airhandling) AHUs shall be internal. 420 m 2 4 Supply Diffuser (SD) ceiling mounted. Units shall be square face adjustable multi-louvre type with round neck (or square neck) supply. Units shall be complete with iris (or opposed blade) damper. E.g. GDL, Trox or approved equivalent. Neck diameters are indicated below 150 dia 103 nos 200 dia dia 1 5 Sidewall Supply Diffuser (SWD) Units shall have double deflection grilles c/w opposed blade dampers. E.g. GDL, Trox or approved equivalent 300 x nos 900 x " 6 Return Grille (RG) ceiling mounted. Units shall be rectangular face adjustable egg crate type. Units shall be complete with opposed blade damper. E.g. GDL, Trox or approved equivalent 1200 x no Page 3-1 To Conclusions IAL AfDB BOQ HVAC 1

23 BILL No. 3 (Cont'd) - DUCTWORK FIXED 7 Sidewall Air Jet Grille (AJG) High capacity supply air jets to have concentric rings assembled with a pivoting eyeball adjustment c/w opposed blade dampers. E.g. GDL J frame, Trox or approved equivalent 350 x 350 (single jet) 4 nos 8 Extract Grille (EG) ceiling mounted. Units shall be rectangular face adjustable egg crate type. Units shall be complete with opposed blade damper. E.g. GDL, Trox or approved equivalent 150 x nos 10 Flow control / Balancing Dampers single or multi leaf. E.g GDL, Trox or approved equivalent Allow for the provision of balancing dampers as indicated on drawing and/or specification and/or schedules 11 Door Transfer Grille non-vision 600 x Nos 12 Fire Dampers 2hr rating c/w fusible link,. E.g GDL, Trox or approved equivalent Allow for the provision of fire dampers as indicated on drawing and/or specification, schedules 200 x nos 300 x " 300 x " 400 x " 500 x " 600 x " 800 x " 900 x " 950 x " 150dia 5 nos Page 3-2 To Conclusions IAL AfDB BOQ HVAC 2

24 BILL No. 3 (Cont'd) - DUCTWORK FIXED 13 Allow for clean outs, test holes and access doors. 14 Allow for support, brackets, vibration dampers etc. 15 Allow for flexible duct connectors from duct to ceiling terminals. Page 3-3 To Conclusions CONCLUSION pg 3-1 pg 3-2 pg 3-3 To Summary IAL AfDB BOQ HVAC 3

25 BILL No. 4 - CHILLED WATER PIPING FIXED Supply and install the following Pipework shall be black mild steel to BS 1387 Class C Heavy Grade. Large diameter pipes shall be grooved. 1 Pipes 25mm 6 m 32mm 6 m 50mm 18 m 100mm 54 m 125mm 216 m Bend 25mm 6 nos 32mm 6 50mm mm mm Bend 100mm 4 125mm 14 4 Tee 125mm 10 5 Isolating Ball Valve 50mm 2 Page 4-1 To Conclusions IAL AfDB BOQ HVAC 1

26 BILL No. 4 (Cont'd) - CHILLED WATER PIPING FIXED 6 Isolating Butterfly Valve 100mm 6 125mm 8 7 Double Regulating Valve (c/w test points and seals) 50mm 1 100mm 6 125mm Way Modulating Valves (c/w motor actuator) 50mm 1 100mm 2 10 Check (NRV) Valve 32mm 1 125mm 2 11 Strainer (Line) 50mm 1 100mm 4 125mm 2 Page 4-2 To Conclusions IAL AfDB BOQ HVAC 2

27 BILL No. 4 (Cont'd) - CHILLED WATER PIPING FIXED 12 Flexible Connector 50mm 2 100mm 8 125mm 4 13 Flange (c/w) gasket 50mm mm mm End Flange (Cap) 125mm 2 15 Capped Flushing Tee 25mm 5 nos 16 Drain Cock 25mm 5 nos 17 Valved Flushing Inlet 50mm 2 nos 18 Safety Relief Valve 10bar setting 2 nos 19 Automatic Air Valve (AAV) 5 no 20 Flow Switch 1 no 21 Air Eliminator 5 no 22 Test point (sealed) 6 no 23 Pressure guage (0-15bar) c/w cock 10 no Page 4-3 To Conclusions IAL AfDB BOQ HVAC 3

28 BILL No. 4 (Cont'd) - CHILLED WATER PIPING FIXED 24 Thermometer (Dial type 150mm) 10 no 25 Miscellaneous Items Union, connectors, nipples, 135o bends, etc Bracket, hangers, supports, etc 26 Thermal Insulation (using preformed rigid mineral wool insulation or armaflex tubings. Allow for vapour seal) - thickness as specified but minimum 50mm 25mm 6 m 32mm 6 m 50mm 18 m 100mm 54 m 125mm 216 m 27 Carry out resin protective coating on pipes installed in plantrooms, risers and external. 25mm 6 m 32mm 6 m 50mm 18 m 100mm 54 m 125mm 216 m Page 4-4 To Conclusions CONCLUSION pg 4-1 pg 4-2 pg 4-3 pg 4-4 To Summary IAL AfDB BOQ HVAC 4

29 BILL No. 5 - CONDENSATE PIPING (for chilled water) FIXED Supply and install the following Pipework shall be HDPE. All condnsate pipes shall be appropriately insulated. 1 Pipe 50mm mm 48 2 Bend 50mm 6 100mm 2 3 Tee 50mm 2 100mm 1 4 Trap Connections 50mm (for AHUs) 3 5 Turndish 100mm 2 nos 6 Miscellaneous Items Brackets, anchors, etc Flanges, gaskets, sockets, reducers, etc 7 Thermal Insulation using 20mm armaflex,, TO SUMMARY IAL AfDB BOQ HVAC 1

30 AfDB NGFO HAVC SYSTEM BOQ BILL No. 6 - INSTRUMENTATIONS AND CONTROL Supply and install the following. Refer to drawing, design report and specification for details FIXED 1 Thermostat duct 2 nos 2 Temperature Gauge (pipe mounted) - dial type 2 nos 3 Test point with cock 10 nos 5 Flow Switch 1 No 6 Differential Pressure Switch 3 Nos 7 Duct mounted dial thermometer 2 Nos 8 Duct mounted dial pressure gauge 2 Nos 9 Smoke Detector Probe 4 Nos 10 Control cabling, terminator, etc Lot 11 CO 2 Monitor (e.g Greystone Energy Systems) - duct mounted 12 Control Panel The controls shall be fully digital. Allow for control panel and system as detailed in the specifications, schedules and drawings. Include for all electrical control elements including the step-down transformer, (230/24 VAC), relays, switches, contactors, timers, including all current and voltage protective devices, e.t.c to give a fully function system. Note provisions for future upgrade. System shall be integrated into the building BMS 13 Control cabling Allow for control cabling to connect all controlled plants and the control panel. Rates to include for termination items. 14 Electrical Power cabling Allow for power cabling from the control panel and/or local distribution panel to all item of equipment for final connections. Provide appropriate termination devices. Only wireways shall be provided by others. 15 Local isolators to all items of equipment (some shall be suitable for outdoor installation) 1 nos 1 nos Page 6-1 To Conclusion IAL AfDB BOQ HVAC 1

31 AfDB NGFO HAVC SYSTEM BOQ BILL No. 6 (Cont'd) - INSTRUMENTATIONS AND CONTROL FIXED 16 Allow for equipontential bonding of the equipment 17 Allow for brackets, mountings, pads. 18 Allow for linkage to the building BMS including provisions for cabling 19 Allow for linkage to the building fire alarm panel including provisions for cabling Page To Conclusion CONCLUSION pg 6-1 pg 6-2 To Summary.... IAL AfDB BOQ HVAC 2

32 AfDB NGFO HAVC SYSTEM BOQ BILL NO 1 PLANTS& EQUIPMENT 2 VRF INSTALLATION 3 DUCTWORK 4 CHILLED WATER PIPING 5 CONDENSATE 6 INSTRUMENTATIONS & CONTROLS GENERAL SUMMARY OF BILLS SUB-.. IAL AfDB BOQ HVAC 1