TABLE OF CONTENTS
1. Purpose 2. Reference 3. Location Loca tion of site 4. Scope of Work 5. Tools, Equipmen Equipmentt and Machi Mac hinery nery to be employed employed 6. Responsible Responsible Persons Perso ns on Site 7. Handling Handling and Site Storage 8. Shiftin Shifting g the equipment equipment from Storage Sto rage to generator generato r room r oom 9. Install Installa t io n Procedure Proce dure of DG set 10. Safety
1. Purpose
This method of statement covers the procedure step by step to implement the correct practices for Installation of Diesel Generator Set through the guide line contained herein so as to ensure that the job execution complies with the requirements and serves the intended function to satisfactor y level.
2. Reference
Approved Electrical Shop Drawings Approved Material Inspection Report Approved QA/QC and Safety Plan Manufacture’s Installation Guide for diesel generator
3. Location of site
Sites at Puttalam & Chilaw
4. Scope of Work
This procedure will define the method to be used to ensure that the Diesel generator set is installed correctly and acceptable and shall conform to the Contract Documents and Specification.
5. Tools, Equipment and Machinery to be employed
No
1
2
3
4 5
Material
Crane of suitable capacity (25 tone wheel mounted )
Forklift of suitable capacity Chain Pulley Block Portable hand tools.
Portable Drilling Machine
Specification
Remarks
6
Grinding Machine
7
Angle Cutter
8 9 10
Spirit Level Crimping Tool Pliers
6. Responsible Persons on Site
No
Job Title
Qty
1
Project Manager
1
2
Project Coordinator
1
3
Assistant Engineer
2
4
Safety Officer
1
5
Electricians
2
6
Mechanical fitter
1
7
Semi-Skilled Labours
2
8
Unskilled Labours
2
Remarks
7. Removing exciting Diesel Generator
Demolish 1 1/2' approximately to the both sides of the door of the generator house.
Remove the exhaust ducts and above equipment accessories and hand over to the NWS&DB Stores.
Remove other couplings, wire connections etc... isolate the generator in mechanically and well on electrically.
Remove the anchor fasteners and allow the generator to slide to and fro.
Place temporally bedding using timber blocks around the existing concrete bed on which the generator is placed.
Attach hooks from two sides and connect them with chain blocks. Slowly the unit will be able to move on to the wooden blocks.
Carefully slide the unit up to the door and a boomed truck is brought to the place for shifting the unit.
Slowly load the unit to the truck and shift it to the stores and hand over.
Modification to the concrete bed and floor and required.
After curing and other works settlements new generator will be brought to the site and installation is followed.
8. Handling and Site Storage
On receipt of the Diesel Generator Set and accessories at site, necessary precautions shall be taken for unloading, shifting & storage, as follows:Material Inspection Request should be raised for material verification upon delivery at site. DG set shall be stored in a covered / dry space at all the time and ensure no moisture leaking inside. If unexpectedly moisten, immediate action must be taken to dry off. DG set with accessories if any, received at site shall be inspected and ensured that the materials are as per approved material specification. Any discrepancies, damage etc., found will be notified and reported for further action.
Ensure all Equipment used at site are free from any damage or deformity of any kind. Any minor damages observed shall be repaired suitably and in case if the repairs could not be done properly, the Equipment are to be removed from site with required arrangement.
9. Shifting the equipment from Storage to generator room.
After the activities under Civil construction procedures (leveling, foundation bolts etc.) are completed the unit shall be loaded from the storage place, on a suitable trailer, by a crane, to shift the DG set to room location. The units shall be offloaded near the generator room, and shall be shifted on the respective foundations on rollers, to take DG set from outside to inside.
Proper care to secure units, while above shifting loading/unloading as well as placing on foundation shall be carried out with at most care and precautions as required for the safe operation.
10. Installation Procedure of DG set
To carryout installation activities for diesel generator below mentioned procedures are recommended to follow-up step by step in sequential manner. Pre delivery inspection shall be performed by the contractor (Kolon Global) to ensure no damage is occurred in transit to components of DG set. Prior to start installation, Engineer should ensure that approved shop drawings related to the installation area are referred and that required materials are available at site as per manufacturers’ installation. Engineer has to ensure that all the materials are received at site as per approved material submittal. Ensure all civil works are completed for the area including floor paint to carry out the installation, and clearance to be attested by Department before proceeding further installation of DG set. Installation procedures are to be followed as per manufacturer’s recommendations. Installation works shall be carried out only with respect to approved shop drawings of latest revision. Diesel Generator Set will be off loaded to the place nearest to the installation and protected properly from dust & environment, etc. Prior to installatio n, the foundation will be checked for cleanliness and level.
Engineer has to ensure the orientation of DG set as per approved shop drawing Exhaust duct & fuel oil pipe installation shall comply with the relevant clauses of specifications and as per manufacturer recommendation. Alternator neutral terminal & Body shall be connected with external earth as per approved shop drawing. Control panel shall be connected as per approved shop drawing and manufacturer recommendations.
Cable connections between alternator, control panel and Distribution Board shall be done as per approved shop drawing.
Emergency
Main
Installation of muffler, fuel supply system, exhaust ducts, circuit breaker installation connections and control wires shall be carried out as per manufacturer’s recommendation. Required power and control termination shall be carried out as per manufacturers’ recommendation. DG Set Earthing shall be done as per earthing WMS specification and approved Drawings. After inspection of DG Set proper care will be taken to protect the unit from dust by suitable covering, and shall further be released for the Testing work.
11. Safety
All safety precautions shall be followed as per approved safety procedure. Ensure all involved persons are aware of the same through tool box briefings.
Safety supervisor shall ensure that all elevated flat forms walk ways to be used are safe and in good conditions.
Lifting and handling machinery are in proper order and ensure the condition with a trial lifting in every day.
Ensure that tradesman will keep their working places clean, tidy and free from rubbish.
