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8/10/2019 Mech Layout.ppt
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Date: 15 December 2014L&T - Sargent & LundyLimited
GET/DET Training Program
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REVISIONHISTORY
Rev. No. Revised By Revision Description Revision Date
R0 S R Babu First Issue 9/8/05
R1 Rajesh Nema Second Issue 11/9/06
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Power Plant Layout - Introduction
Plot Plan
Site Grading Plan
Plant Roads and Drains
Equipment General Arrangements (Eqp. GAs) Hazard Area Classification Drawing
Above Ground Piping Composite Drawings
Under Ground Piping Composite Drawings
Cable Tray/Duct/Trench Layout
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Power Plant Layout - Input
Acquired Land (Vicinity Plan)
Contour Survey Map
Plant Table Survey Map Soil Survey Report
Power Evacuation Location
Water Availability
Fuel Linkage Effluent Disposal Point
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Power Plant Layout - Input (Cont..)
Meteorological Data
Process Data
Utility Data
Statutory Requirements
Non Plant Facilities
Constructability Aspects
Expansion Philosophy
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Power Plant Layout - Input
Acquired Land (Vicinity Plan)
Overall Plot Boundary with access roads
True North
Plant Coordinates
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Power Plant Layout - Input
Contour Survey Map
Plot Levels with respect to mean sea level (every 5 to 10 m
grids)
Plot Topography
Bench Marks
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Power Plant Layout - Input
Plant Table Survey Map
Overall Plot area indicating existing constraints like
transmission line, structures, ponds, place of worships etc.
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Power Plant Layout - Input
Soil Survey Report
Load bearing capacity
Soil resistivity
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Power Plant Layout - Input
Meteorological Data
Minimum, maximum and normal temperature
Rainfall
Intensity and direction of wind
seismic zone
Wet and dry bulb temperatures
Flood level
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Power Plant Layout - Input
Process Data
Size/capacity of the unit
Indoor / outdoor location
Overall operating philosophy
Fuel/Water storage philosophy
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Power Plant Layout - Input
Utility Data
Source and supply of Raw water
Water quality
Water consumption
Fuel requirement and fuel analysis
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Power Plant Layout - Input
Statutory Requirement
Central / state Pollution control boards
Factory Inspectorate
Chief Control of explosive (CCOF)
Tariff Advisory Committee (TAC)
Aviation Laws
Chief Inspector of Boilers (CIB)
Ministry of Environment and Forest (MoEF)
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Plot Plan Development
Plant North and True north
Establish the N-S and E-W grids
Green Belt
Wind Rose Locate the structures and facilities
Main power block
CW pump house
Cooling Towers & CW Piping
Fuel Oil Area & Coal Handling Plant
Water treatment building
Non Plant Buildings
CONTD...
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Plot Plan Development (Cont)
Locate the structures and facilities (Cont)
Non Plant Buildings
CW pump house
Construction lay-down areas
Parking lots
Construction facilities
Ware house
Space for equipment maintenance
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Plot Plan Development (Cont)
Locate the structures and facilities (Cont)
Identify the piping and electrical duct runs
Roads and Tracks for both permanent facilitiesand construction period
Identify the plant security (fence, gates, guard
house
Identify the drainage and run off basins
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Plot Plan Development (Cont)
Finalise the site grade level
Evaluate the for Potential Flooding (if the plant is
located near to sea or river)
Elevations referenced to both MSL and plant
datum to be identified
Plant Finished floor
Plant Grade Level
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Plot Plan Development - Drawing
Title Block
Plant North
Wind Rose
Plant Grids Graphical scale
Item list
General Notes
Reference Drawings Legends
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LAYOUTS FOR OIL INSTALLATIONS
Based on OISD-STD-118 Rev 1
Class A Petroleum : Liquids which have
flash point below 23 deg C
Class B Petroleum : Liquids which have
flash point of 23 deg C and above but below
65 deg C
Class C Petroleum : Liquids which have
flash point of 65 deg C and above but below
93 deg C
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LAYOUTS FOR OIL INSTALLATIONS
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Plant Arrangements- Power Block
Identify the major plant levels (Ground floor,
mezzanine, main operating floor)
Plant North and True north direction
Graphical scale Identify the column rows lines with dimension
Vertical bracing lines to be identified
Identify the all equipment and space for future
equipment (if any)
Identify the maintenance and dismantling
requirements
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Plant Arrangements- Power Block(cont...)
Identify the nearest facilities
Identify the HAVC requirements
Identify the Turbine room crane travel limits to
cater all equipment
Identify the access to turbine carne control
cabinet
Identify the noise generating equipment and their
placement
Identify the Turbine generator foundation
Identify the main steam, reheat and low pressure
steam piping
Reserve the space for CW piping
Reserve the area for turbine gland steam and
lube oil piping
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Plant Arrangements- Power Block(contd.)
General access galleries stairways and doors per
local codes
Permanent Elevators and construction elevators(
if any)
Identify the mat foundation and individual footing
foundation
Identify the control room, electrical equipment
room, UPS room
Identify the Toilets, locker room, office area
Control room of HAVC equipment
Generator bus duct and potential transformer
cubicles
Reserve the area for the cable tray
Oil and Process water draina e
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GT AREA LAYOUTSalalah Power System Privatization Project
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DYKE AREASalalah Power System Privatization Project
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FUEL OIL PUMP HOUSESalalah Power System Privatization Project
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COOLING TOWER AREAHaldia CCPP
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CW PUMP HOUSEHaldia CCPP
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DEARATOR AREAHaldia CCPP
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STATION BUILDINGHaldia CCPP
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STATION BUILDINGHaldia CCPP
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STATION BUILDINGHaldia CCPP
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STATION BUILDINGHaldia CCPP
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