ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Project: Construction of Centralized Cooling System (CCS) for HDB in Tengah Park and Garden District
2
Main Contractor: Bosh Engineering Pte Ltd
3
Services: Mechanical Works
4
Package: Tengah Park C1, Garden C3 and Garden C7
5
Sub-Contract Ref. No.:
6
Sub-Contractor's Work Scope Table
7
8
DESCRIPTIONSUPPLYINSTALLATIONTESTING &
COMMISSIONING
9
1Equipment and Material Handling
10
1.1Crane for Hoisting of CCS Plant Equipment (Chiller, Cooling Tower, Pumps, Water Tanks, Skids) to Roof LevelMAIN CONSUBCONN/A
11
1.2Hoisting of Pipe, Support Materials to Building Roof TopSUBCONSUBCONN/A
12
1.3Lifting team including Rigger, Signalman, Lifting Supervisor and other necessary manpower for hoisting activitySUBCONSUBCONN/A
13
1.4Space for temporary storage space onlyMAIN CONSUBCONN/A
14
1.5DFMA workshop and prefebrication workshop spaceSUBCONSUBCONN/A
15
1.6Temporary storage hoarding sheet, scaffolding pipes, fire extinguisher, etc.SUBCONSUBCONN/A
16
1.7Unloading from truck/trailer, transporter and etc at job site and / or temporary storage areaSUBCONSUBCONN/A
17
1.8Transportation (Job site to erection point and temporary storage area to job site)SUBCONSUBCONN/A
18
1.9Receiving and transportation of materials and equipment (Job site to erection point and temporary storage area to job site)SUBCONSUBCONN/A
19
1.10Scaffolding, boom lifts, scissors lift, ladders, tools and machineries necessary of installation works (Complying to MOM and/or site rules and regulations)SUBCONSUBCONN/A
20
1.11Calibrated testing instruments required for T&C for installed works on siteSUBCONSUBCONN/A
21
2Manpower
22
2.1Manpower for Material receiving, unpacking, storing, loading/unloading, transportation, installation, testing, commissioning, defect clearing, etc.SUBCONSUBCONN/A
23
2.2Lifting team for Plant Equipment unloading from truck and hoisting to proper position on plinth at roof topSUBCONSUBCONN/A
24
2.3Site Supervisor to attend daily/ weekly/ monthly site meetings as required by Site EngineerSUBCONSUBCONN/A
25
2.4Designated Site Supervisor (BCSS certified) to carry out site supervision and co-ordination on site, DFMA workshop and prefebrication workshopSUBCONSUBCONN/A
26
2.5Site Supervisor (BCSS certified) to play the role of Site Safety Supervisor to conduct and attend safety meetings and tool box meetings as required by Site EngineerSUBCONSUBCONN/A
27
2.6Attend and undertake inspection as requestedSUBCONSUBCONN/A
28
2.7Verification and mark-up of as-built DWG. to the Main Contractor's standardsSUBCONSUBCONN/A
29
3Mechanical Works
30
3.1CCS Plant Equipment (Chiller, Cooling Tower, Pumps, Water Tanks, Skids)MAIN CONSUBCONSUBCON
31
3.2HDPE Pipe, Fittings (Elbow, Tee, Reducer, End Cap, Transition Coupler, Union, Flange, Electrofusion Coupler)MAIN CONSUBCONSUBCON
32
3.3Carbon Steel Pipe, Fittings (Elbow, Tee, Reducer, End Cap, Coupling, Union, Flange)MAIN CONSUBCONSUBCON
33
3.4Valve (Gate Valve, Butterfly Valve, Balancing Valve, Ball Valve, Strainer, Check Valve, Flexible Joint, Thermowell, Air Vent)MAIN CONSUBCONSUBCON
34
3.6PU Chemical (Isocyanate (Black) / Polyol (White)) and GI Sheet for Pipe Field Joints and FittingsSUBCONSUBCONSUBCON
35
3.6GI sheet forming and necessary accessories for Insulation of Pipe Joints and Fittings (at Site)SUBCONSUBCONSUBCON
36
3.7Paint material for pipes (Roof Top Only)MAIN CONSUBCONSUBCON
37
3.8Paint material for labeling, marking templates, legend plates, rubber mat etc.SUBCONSUBCONSUBCON
38
3.9DurkFlex Insulation for HDPE Pipe (OD 40mm) and Fittings (K-Flex in stright length for Fittings)MAIN CONSUBCONSUBCON
39
3.10Necessary accessories for Installation of DurkFlex Insulation for HDPE Pipe (OD 40 mm) and Fittings SUBCONSUBCONSUBCON
40
3.11Supply, Fabrication and Installation of Steel Support for Plant Equipment, Pipe, etc.,SUBCONSUBCONSUBCON
41
3.123 nos of Access Platform at roof for chiller blocksSUBCONSUBCONSUBCON
42
3.13Anchor boltsSUBCONSUBCONSUBCON
43
3.14Hanger, Thread Rod, Angle, Channel, U-Bolt, Nuts, Washer, Pipe Shoes, Pipe Brackets, and necessary material for Pipe Support, Pipe Slippers, Ceiling PipeSUBCONSUBCONSUBCON
44
3.15Anchor bolts pull out test (if necessary)SUBCONSUBCONSUBCON
45
3.16Anchor bolts torque test (if necessary)SUBCONSUBCONSUBCON
46
3.17Valve and Instruments TaggingSUBCONSUBCONN/A
47
3.19Replacement of Temporary Pipe in Riser to BTU meterMAIN CONSUBCONSUBCON
48
3.20Welding Machines for HDPE PipeSUBCONSUBCONSUBCON
49
3.21Welder Test Piece for Welder QualificationSUBCONSUBCONSUBCON
50
3.22NDT reports of welding jointsSUBCONSUBCONSUBCON
51
3.23Firestop Sealing of Pipe Penetration Wall, Beam, etc.,SUBCONSUBCONSUBCON
52
3.24Permanent safety signage and all other signagesSUBCONSUBCONSUBCON
53
3.25Fire stop for openings c/w QP certificationSUBCONSUBCONN/A
54
3.26Paints, marking templates, legend plates, etc.SUBCONSUBCONN/A
55
3.27All other installations per drawings providedSUBCONSUBCONSUBCON
56
3.28All other necessary tests before and during Testing and CommissioningSUBCONSUBCONSUBCON
57
58
Notes:
59
1To include installation of wall and floor mounted shock isolators c/w mounting accessories.
60
2Bracket sizes shown in the given drawings are subjected to QP’s calculation and approval. Sizes may subject to changes.
61
3Installation details in given drawings are for reference only, details may subject to changes after SP acceptance.
62
4To conduct all necessary tests by your own manpower, e.g. continuity test, Insulation test, initial run equipments, T&C, etc.
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100