Shop Drawings Check List

Power Shop Drawings

- Contractor should be committed with standard color code.

- Contractor shall be responsible for all coordination between other trades.
- Please provide all electrical rooms in separate part plans furnished with all submitted equipment indicating all
approved required dimension based on the approved submitted, including the necessary routing.
- All electrical outlets (heights & location) should be coordinated and to approved by the Client to match the ID & the
final Arch. construction drawings.
- Two elbows only permitted as possible from outlet to outlet.
- Provide section or detail for ceiling socket with cable tray connection if required.
- Provide missing dimension indicated on drawings.
- Provide back box for all wiring devices.
- Wire phrases in each conduit from outlet to outlet to be provided.
- Exact location of all electrical outlets and other devices shall be from wall, columns, door jambs in line with project
requirements and applicable regulations.
- Size of wires, cables, conduits/containment used shall be clearly indicated on the drawing.
- Irrespective of service, conduit and fitting used shall be:
A. Where embedded: heavy gauge rigid PVC shall be used.
B. Where surface mounted, exposed, false ceiling and in voids: galvanized steel
conduit shall be used.
- Fill area of the conduits shall be as per the regulations.
- Number of outlets in each circuit shall be as per the DB Schedule; however, it shall not contradict with applicable
regulations.
- Show home runs in the shop drawings, conduit run shall not exceed more than 2 Nos. 90-degree bends and
15meters without pull box.
- Identify wires in each conduit.
Lighting Shop Drawings

- Contractor should be committed with standard color code.

- Contractor shall be responsible for all coordination between other trades.
- Please provide all electrical rooms in separate part plans furnished with all submitted equipment indicating all
approved required dimension based on the approved submitted, including the necessary routing.
- All electrical outlets (heights & location) should be coordinated and to approved by the Client to match the ID & the
final Arch. Construction drawings.
- Two elbows only permitted as possible from outlet to outlets.
- Maximum accepted vertical hanging with rode shall not exceed 2 meter, for above U channel with suitable cross
section should be used to comply with the spec’s, it’s the contractor responsibility to provide the safe supporting
system with the required method to verify its safe.
- Provide missing dimension indicated on drawings.
- Provide back box for all wiring devices.
- Wire phases in each conduit from outlet to outlet to be provide
- Exact location of all light fitting shall be taken from wall and columns in line with
project requirement and applicable regulations.
- Further these locations shall be coordinated with other services and the Interior design drawings and project
architects to ensure location of light fitting shall be in line with reflected ceiling layout.
- Contractor should provide typical installation details in a separate drawing indicating
all installations, connections, mounting heights, conduits routes etc.
- Size of wires, cables, conduits/containment used shall be clearly indicated on the drawing.
- Irrespective of service, conduit and fitting used shall be:
A. Where embedded: heavy gauge rigid PVC shall be used.
B. Where surface mounted, exposed, false ceiling and in voids: galvanized steel conduit shall be used.
- Fill area of the conduits shall be as per the regulations.
- Number of outlets in each circuit shall be as per the DB Schedule; however, it shall not contradict with applicable
regulations.
- Show home runs in the shop drawings, conduit run shall not exceed more than 2 Nos. 90-degree bends and
15meters without pull box.
- Identify wires in each conduit.
- Type of light fixture shall be suitable to the environment as per the project specification and applicable regulations.
- All applicable lighting fixtures shall be as per approved material submittals.
Power Containment & Tray.
- Exact location of all Power containment shall be taken from wall, columns, grid lines etc to be in line with project
requirements and applicable regulations.
- Further these locations shall be coordinated with other MEP drawings to have clearance, accessibility to the
containment.
- These power containments shall be for cables where ever it is applicable, for example cables between Transformers,
Generators, ATS, LV/ELV Panels, Capacitor Bank panels MCC, control panels, SMDB, DB, Mechanical equipment etc.
- Contractor should provide typical installation details in a separate drawing indicating all installations, connections,
mounting heights, routes etc. in line with project requirement and applicable codes and regulations.
- Size of cables used in the containment shall be clearly indicated on the drawing and suitable sections. Which shall
also include schedule indication of origin of cables, destination of cables, tags, % of cable fill area, length, voltage
drop etc.
- Length of cables indicated on the sld shall be maintained as much as possible with proposed containment.
- Fill area and the configuration in the containment shall be clearly indicated in sections and shall be as per the
regulations.
- Configuration of cables shall be as per the cable sizes selection based on the derating factors and installation
methods.
- Spare capacity of at least 20% shall be maintained for future installations.
- Type containment shall be as indicated in the project submittals and shall be suitable for the purpose.
- Horizontal elbows, bends, intersections shall be suitable for the Bending radius of the cables, shall be properly
supported in the regular intervals as per manufacturers recommendation.
- Cable trays shall have adequate strength and rigidity to provide satisfactory support for the cables contained within
them. All sharp edges, burrs and projections shall be removed and the tray shall be finished smooth to prevent injury
to cables.

Panel Board’s Manufacturing Drawings.

- Dimension of panel indicated.

- Front view of panel shown.
- Front view of left section shown
- Front view of right section shown.
- All the elements of the panel shown in one line and AC/DC schematic drawings are shown in panel layout.
- Nameplate engraving chart shown.
- Top view of panel is shown
- Panel base frame/foundation details are shown.
- Circuit breakers and fuse ratings are correct.
- Conduit and cable numbers are correct.
- UPS distribution system is included for critical equipment as appropriate.
- Equipment numbers checked.
- Consistent with corresponding schematic diagrams.
- Control protection devices are considered as per requirements
- Equipment number checked.
- Appropriate ANSI/IEEE/IEC device function numbers/symbols are used.

Control Wiring Diagrams.

- Relays and switches are shown in a de-energised state.
- Terminal numbers match all other electrical drawings.
- Wire identifications are shown correctly
- Control design function checked
- Consistent with corresponding single line diagram.
- Appropriate ANSI/IEEE/IEC device function numbers/symbols are used.
- Equipment numbers checked.
- Terminal blocks have adequate spare capacity.
- Spare wires are clearly identified as “spare”.
- Wire designation, number and/or colour code are shown correctly
- Terminal numbers match other electrical drawings
- Wire tagging is shown clearly at source and destination.

Lightning and Earthing Comments

- The installations should be carried out according to the specs, unless otherwise
- The used material should be the approved material submittals.
- All the approved material for the earthing pits & the other related accessories.
- Should be used with considering the earthing approved material.
- Maximum Earth resistance shall not exceed 2 ohm.
- The earthing detail should be part and verified by the specialist calculations to the
achieve the required ohm as per the design documents.
- Ground grid rods and wires are selected as per design calculations.
- Grounding design checked.
- Standard procedure for grounding followed.
- All extraneous metallic parts are connected to the grounding system.

CCTV and Access Control Shop Drawings

- Exact location of all devices should be coordinated with ID, and the dimension should be taken from walls or
columns.
- Provide earthing conductor for all trunking.
- Contractor to provide trunk size calculation.
- separately.
- Pull boxes should be provided each 15 metres and each two bends. Its dimension should be mentioned.
- Contractor to guarantee enough separation from other service trades for proper installation and to avoid
electro-magnetic interferences.
- Contractor to submit detailed riser diagram.
- Contractor should provide typical installation details.
- All material used should be according to last approved submittal, and part number of cable and equipment to
be indicated.

Fire Alarm Shop Drawings

1. Exact location of all devices should be coordinated with ID, and the dimension should
be taken from walls or columns.
2. Contractor should provide typical installation details in separate plans indicating all
installation, connection and wiring as per the manufacturer recommendations.
3. Each fire fighter telephone should have its own control module.
4. Contractor to submit voltage drop calculation for DC lines.
5. End of line devices should be installed as directed by the manufacturer to electrically
supervise all wiring (DC/Audio lines and telephone lines)
6. Contractor to ensure that all monitor and control modules needed for HVAC and fire
fighting system and any other interfaces are provided and its location is coordinated
with electrical / mechanical drawings.
7. Fault isolator modules shall be installed every 15 devices maximum
8. Contractor to provide earthing conductor for all trunking.
9. Contractor to guarantee enough separation from other service trades for proper
installation and to interferences.
 10. Contractor to submit detailed riser diagram showing all system component and the
interface with all other trades.
11. All material used should be according to last approved submittal.

MATV Shop Drawings

- Exact location of all devices should be coordinated with ID, and the dimension should
be taken from walls or columns.
- Provide earthing conductor for all trunking
- All splitters, tap off, multi-switches to be installed in perforated metal boxes.
- RF and IF TV signal level at each outlets to be indicated.
- Connection to the dish farms to be indicated.
- Location of TV outlets to be coordinated with the advertising outlets.
- Contractor to provide filling ration calculation for the trunk / conduit used.
- Pull boxes should be provided each 15 metres and each two bends and junction
boxes to be used where ever needed.
- Contractor to submit detailed riser diagram.
- Contractor should provide typical installation details for all devices.
- All material used should be according to last approved submittal, and part number of
cable and equipment to be indicated.

Public Address Shop Drawings:

- Exact location of all devices should be coordinated with ID, and the dimension should
be taken from walls or columns.
- Provide earthing conductor for all trunking
- Back boxes for volume control to be clearly indicated on the drawings.
- Number of speaker/ line to be calculated based on the total wattage and voltage
drop.
- Contractor to ensure the use of override cable for volume control.
- Contractor to ensure that public address system cables to run separately and
guarantee enough separation from other service trades.
- Pull boxes should be provided each 15 metres and each two bends and junction
boxes to be used where ever needed.
- Contractor to submit detailed riser diagram.
- Contractor should provide typical installation details for all devices.
- All material used should be according to last approved submittal, and part number of
cable and equipment to be indicated.
- End of lines devices should be installed as directed by the manufacturer to electrically
supervise all wirings.
- No PVC flexible conduits should be allowed.

TELEPHONE & DATA Shop Drawings

- Exact location/ height of TELE/DATA outlets should be coordinated with ID/Client
requirements, and the dimension should be taken from walls or columns.
- Contractor to provide earthing conductor for all trunking.
- Provide separation of trunking between all systems.
- Trunk size and filling ration to be provided.
- Pull boxes dimension & type should be provided.
- Contractor to guarantee enough separation from other service trades for proper
installation and to avoid electro-magnetic interferences.
- Contractor to submit detailed riser diagram.
- Contractor should provide typical installation details for all devices.
- All material used should be according to last approved submittal, and part number of
cable and equipment to be indicated.