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 Access to MEP works:

As the Mashreq Bank Project has to be completed within 31 months, access to various
activities should be provided precisely to avoid any time delay as per the MEP Tender
programme submitted along with tender
 Typical Sequence
 MEP access after Plaster
 MEP High Level Works
 Embedded Services Wall
 MEP Floor Works (if any)
 Screeds
 MEP Ceiling Grid Clearance
 Ceiling Grids
 MEP Droppers
 Ceiling Works
 Painting/ Marking etc. On Ceiling
 MEP Final Fixes
 Wild Air On
 Finishes
 MEP Final Fixes after Wild Air
 Testing and Commissioning Installation of Plant Equipment:
 Plinths for the equipment should be made ready complete with specified finish
prior to shifting of equipment as per the programme requirement.
 Al Equipment’s shall be received and unloaded at site directly on to the Plinths to
avoid double handling.
 Flushing of Chilled Water System and Wild Air
 On completion of major HVAC equipment’s installation and 2nd Fix items, chilled
water system will be flushed using temporary power, water and drainage (to be
provided by main contractor)
 We have allowed 06 weeks for the flushing
 Once the building is weather proof and clean, with the support of temporary
power, water and drainage, equipment’s will be pre-commissioned to provide wild
air commencing from 27th Month from MEP Commencement.

 Testing and Commissioning of Equipment’s in presence of specialist manufacturer

representatives including kitchen equipment’s in sequence as below:
 Electrical switchgear / panels.
 Pumps
 Chillers
 Lighting controls & ELV Systems
 Plumbing systems

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 TSE specialist
 LPG System
 Fire Fighting & Fire Suppression System
 Fuel Oil System
 Ventilation and Smoke Fan
 FAHU / AHU
 Testing and Commissioning of certain Mechanical, Electrical, Plumbing, gas and
ELV Systems cannot be completed without installation of Kitchen equipment’s
and their final termination

Main Requirements from Employer/ Main Contractor

 MEP Award 21-Sep-16
 Release of IFC/ Design NOC/ Final Loads for all Systems 21-Sep-16
 Release of Kitchen Equipment’s final selection 29-Oct-16
 Release of ID Final Details 29-Oct-16
 Building Facade Complete 14-Oct-18
 Undertaking from Engineer / Client to Invite DEWA (Partial Inspection)15-Oct-18
 Temporary Power/ Water/ Drainage for Wild Air 09-Oct-18

System Description
 Electrical System:
 RMU Room is Located in Ground floor, comprising of 6 Transformers (Supplied
by DEWA) and 4 ACB’s located in ground floor which feed MDB’s (4 nos.) in
Level-1. Incoming cable to transformer by DEWA.
 For uninterrupted backup of critical services modular UPS, 3 modular each with
200kva (total 600kva UPS) and 500kva UPS 1 no. back-up time 15 minutes, lead
acid battery. UPS to support the IT system located in the building MDF, the
technology room / IDF and for the telephony agent / operator to have UPS for
their PC’s.
 Essential loads are feeding through 2 nos. of 1500kva prime power rated
generator and 14 nos. of ATS panels. Generator units shall be synchronized and
paralleled parallelism switchgear and sync controls.
 From Transformer the power is fed to 4 ACB’s which is feeding 4 LV panels
located in Level-1 LV Room through Bus bars. From the LV panels the power is
distributed to the entire building through various SMDB, MCC`s & DB`s located at
various Places. Total 10 nos. of Bus bar risers in which 4 nos. are feeder bus
bars (between ACB to MDB – Panel – Level GF to Level -01) and other 6 nos.
are riser bus bars feeding from MDB to higher floor levels. Rating of bus bars are
2500A, 2000A, 1600A, 1250A. Non-essential bus bars are 400V TPN & E copper
sandwich construction and essential bus bars are fire rated 400V TPN & E
copper cast resin type. Also, at level-1 a separate MDB is fed from generator for

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emergency power. The cable also fed from LV room in the first floor distributed
through the riser to basement and to upper floors.
 Lighting Control System
(a) European Installation Bus Technology (KNX) System.
(b) The LCPs shall be surface mounted in IP65 polycarbonate enclosures
together with built-in DIN-rails for. Dedicated Lighting Control Panel (LCP) for
every DB
 Fire Alarm System
(a) Analogue Addressable System with Voice Evacuation
(b) PAVA Head end scope not clear. Needs Clarification.

 Central Battery System

(a) AC/DC System, sealed lead acid batteries
(b) T5 fluorescent and LED luminaires are proposed. All luminaires used in FOH
areas shall be unobtrusive discrete LED types

 Structured Cabling including Active Components

(a) CAT 6A Cabling
(b) Network switches, Fire walls, IP Telephony System and containment for GSM
System

 Audio Visual System

AV System requirement in Lobby, Auditorium / Pre- function Area, Cafeteria.
 Earthing & Lightning Protection
Sealed Earth Pit, Solid Copper rod. Pile Earthing for Lightning Protection
System. Structural Re-bar to be used as Down conductor

 CCTV System
 Access Control System including Gate Barrier
 Intercom System

 Wiring Devices & Isolators

Arteor neutral white, with screw less faceplates for ID Areas, White plastic for
BOH areas External isolators IP65 with Die cast aluminium and Internal
Isolators IP54 or IP65 with Polycarbonate housing.

 Light Fittings
(a) Supply, installation of Internal and External Light Fittings.
(b) Façade and Landscaping part of Specialist Lighting Package.

 Aircraft Warning Lights

(a) 4 nos. of Medium Intensity Aircraft Warning Light, dual Flush heads with
photo control of daytime and night time intensities
(b) The system will be white flashing daytime and red flashing night time.

 HVAC System :

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• The cooling for Mashreq Bank Headquarters Building is provided by

chilled water supplies from the district cooling provider (Emaar District
Cooling L.L.C).
• Tap off connections for 1,700 TR are taken from District cooling system
and further supplied connected to HEX installed at basement 1, The
Chilled water pumps are located at the Basement-1 which are serving the
chilled water to entire building.
• Two separate chilled water loops are serving to the tower building, (a)
chilled water low riser system (PN 16 pressure rated), (b) chilled water
high riser system (PN 25 pressure rated).
• In the event of power failure cooling to areas such as the elevator M/C
room, Central IT room, UPS room, satellite service equipment rom and the
telecommunication service entrance room is maintained through Air
cooled package chiller located at 4 level with dedicated piping network.
• From Level -9 to level-31, open offices, provided with Temporary Fan coil
unit without Ductwork and its accessories & Capped off Provision given for
Tenant FCU Connection.
• AHU’s are located in ground, first, level 4 & basement 3 parking. FAHU’s
are located in the 8th floor and lower roof serving the fresh air requirement
for the tower.

• Ducted mechanical ventilation system is provided for the Basement car

park ventilation (normal & 5 no. operation).

• Stair & Lift well are serving with pressurization system fans.

• Corridor & Office having with Smoke Extract System.

• Kitchen extract systems serving Level 6 & 7 kitchen are with Ecology
System.

 BMS System

The BMS system shall be used to control and monitor the functions of the building
MEP systems, plant and equipment.

 Plumbing Scope

• Drainage is currently not part of TG’s scope of works

 Water Supply
• Potable water services will be provided by a DEWA incoming cold water supply.
The supply shall enter the Building at Basement Level B1 high level and serve 2
nos. of potable water storage tanks. To maintain water quality, a copper silver
ionization unit shall be provided. The cold water shall pass through a variable

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speed cold water booster set and distribute to serve all the appliances within the
building.
• Supply to tenant at ground floor will be metered by DEWA. The tenants plumbing
system shall terminate with an isolating valve and pressure reducing valve and
shall be capped for continuation by tenants.
• All water supply pipework shall be in stainless steel and pipework concealed in the
wall shall be PEX.
• Hot water shall be supplied using instantaneous point-of-use electric water
heaters for the 27, 28, 29, 30 & 31 floors & direct LPG fired water heaters located
in level-8 feeding kitchens.

 Fire Fighting System

• The dedicated fire water storage tanks are located on Basement 4 & Level 11 to
serve both the low zone and high zone areas of the building Wet Pipe Sprinkler
Systems
• The fire water contained in the dedicated fire water storage tank shall supply water
for all the wet based systems (i.e. fire sprinkler, standpipe and hydrant) for
Mashreq Bank Headquarters Tower building.
• Dedicated fire pump sets shall serve the Mashreq Bank Headquarters Tower
building, two (2) sets located in the fire pump room on Basement Level B4
supplying the sprinkler / standpipe (for the Low Zone areas) and hydrant systems.
The other fire pump set is located in Level 11 that serves the sprinkler / standpipe
systems for the High Zone areas.
• Electrical, Incoming IT, Emergency Switch Gear, Central IT Room shall be served
by Clean Agent Gaseous Fire Suppression Systems (Novec-1230)
• Generator Room shall be served by Foam Water Systems

 Irrigation System –
• Irrigation (TSE) water to be supplied directly from the Main External Network to
the irrigation tank located at the basement level. Internal planter areas to be
irrigated with Irrigation water supply by Irrigation specialist.

 Gas System
• Connection to local LPG Network
• LPG distribution system -Tap off from network & supply in tenant area.
• LPG is using for the gas fired water heater.

 Fuel Oil System

Fuel oil tanks along with fuel pump set are located in basement # 1 fuel tank
room which is feeding fuel oil to the generator (emergency) located in level # 1.
Fuel filling box is provided in the ground floor for filling fuel oil to the fuel tank
from the external source.
Project execution
 Procedures and Sequencing:

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• All procedures and sequencing will be based on good engineering practices and
approved quality procedures.
• Sequence of installation / activities will be based on agreed programme and
access to various areas.
 Engineering:
Transgulf will implement BIM to provide industry leading Co-ordination and Integration
of Services. Our BIM team will work in close co-ordination with design team and Main
Contractor to develop integrated building models.
Trans Gulf has taken following approach towards Engineering.
• Preparation of Shop Drawings in compliance with Contract Requirements using
BIM.
• Selection of Equipment in compliance with Contract Requirements, taking
consideration of approval, procurement and delivery periods.
• Submission of Drawings, Equipment & Material for Consultants Approval.
• Co-ordination with Specialist Equipment suppliers
• Identify & resolve special constraints in co-ordination with design team and Main
Contractor.
• Carry out design verification calculations on selected equipment.
• Identify opportunities to Rationalise & Value Engineering Design.
• Technical reviews and selection of Manufacturers & Products.
 Procurement
Our centralised Procurement Team based at our Dubai head office will liaise closely
with the project team to provide efficient procurement support.
• Prepare material procurement schedule in accordance with the Construction
Programme.
• Follow up with Vendors and manufacturers for On-Time deliveries &
manufacturing updates.
• Float enquiries to specified Vendors with capability and track record to deliver
projects of this size & nature
• Secure delivery commitment as per project requirements.
• Co-ordinate with Logistic department for follow-up, receipt, clearance and site
delivery
 Logistics
Logistics will be a key factor in the successful delivery of this project, requiring detailed co-
ordination between procurement, planning & construction departments.
Upon Contract Award Trans Gulf will develop a detailed logistics can comprising the
following:-

• Site stores set-up

• Equipment schedule indicating equipment locations, sizes & weights

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• Specific lighting requirements

• Major equipment delivery dates
• Anticipated monthly material quantities (pipe, tray, duct etc.)
• Anticipated power and water requirements (location and consumption)
• Riser works
• Scaffolding requirements
• Equipment movement plan – access routes for installation of permanent
equipment
• Lifting/ Crainage will be co-ordinated and to be arranged by the Main Contractor.
MEP Subcontractor will co-ordinate with the Main Contractor for the same to
ensure that the facilities are available in a timely manner.
• Major Equipment’s are located at Basement 01, Basement 3, Basement 4, GF,
Level 01, Level 04, Level 5, Level 08, Level 11, Level 24, Level 25 and Lower
roof (Provisions to be made for Equipment Logistics including loading platform by
others. MEP Equipment details will be provided by MEP subcontractor)
• Wherever the floor height is 6 meters, to install MEP services continuous
platform/decking/ high level scaffolding is required and the same shall be co-
ordinated with Main Contractor
• Planned delivery as per Contract programme / site requirement.
• Safety Clearance for Hoists, Scaffoldings and Access platforms

 Co ordination
One of the Key elements for this project is proactive approach to resolve the perceived
intricacies and conflicts between internal disciplines as well as other package contractors
• Co-ordination will be key element for the following
- Engineering
- Installation and Access for installation
- Interfaces with external network services (Chilled water, TSE, LPG).
- Movement of Men & Material
- Statutory Authorities
 Installation
• Particular/specific method statement of installation of various
items/equipment’s/system will be submitted along with Risk assessment prior to
start of work (samples attached)
• Acceptance to access in areas as offered by Civil Contractor for MEP Works.
• Permit to work methodology will be followed in close coordination with Civil
Contractor for works like hot water, high level works and confined space works
along with the Risk mitigation option.
• Sequence of activities will be followed as per Agreed programme with the Civil
Contractor.
• Services will be installed in co-ordination with other services like, structural and
Architectural elements.

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• Inspection and obtaining approvals at key holding points.

• Area hand over to Civil Contractor for further activities.
Authority approval
Trans Gulf will liaise with Authorities well in advance for approvals and NOC’s to get power and
water prior to Commissioning.
• Substation Inspection/ handover to DEWA
• Interaction with DEWA for Site Inspection of Installation to release temporary
release of Permanent Power.
• DEWA release of Water.
• Civil Defence Inspection and Approvals.
• Inspection by DM and Approval.
• Submission of Civil Defence and DM approvals to DEWA.
• Building Occupancy approval from DM
• DEWA release of Permanent Power.
• Dubai Police Inspection and Approval
• Etisalat / DU Inspection and Approval

Commissioning
• Overall Testing & Commissioning Management plan will be prepared for the
project.
• We have allowed 4 months of Commissioning Duration. The Commissioning will
commence based on the Temporary Power/ Water etc., to be provided by Main
Contractor free to Subcontractor as indicated in the Programme, till the time
DEWA Power is available.
• Dedicated Commissioning team would be in place to liaise closely with the
Construction Team to incorporate the Commissioning requirements, at the time of
system installation.
• The Commissioning of the free issue item (Sanitaryware) to be carried out in
close coordination with supplier/ Manufacturer.
• Tests will be done on each equipment as per the specification / contract
requirement to measure the performance.

Closeout & Hand over

• Closing of NCRs & Site Observations
• Snagging & De snagging
• As built drawings preparation and submission
• Preparation and Submission of Testing & Commissioning reports
• Preparation and Submission of O & M manual.

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• Clients Staff Training.

• Preparation and Submission of Spare Parts list
• TOC Application
• Warranties
• Application for retention release
• Conversion of Temp power to Permanent Power from DEWA.
• Demobilisation of staff
• Handing over of documents
• Issuance of TOC by Employer.
• Start of DLP as per Contract.
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