Ishtiaq Ahmed

« Developed conceptual, detailed, and coordinated shop drawings
for HVAC, Plumbing, and Fire Protection systems in compliance with
project specifications and international standards.
« Configured and managed Revit project setup, including templates,
title blocks, work sets, shared parameters, visibility settings, filters,
materials, and object styles to ensure consistency across projects
« Created and maintained fully coordinated BIM models using Revit
MEP, integrating architectural, structural, and MEP disciplines for
clash-free design delivery.
« Performed HVAC load calculations and developed space/zone
analysis using color schemes to optimize system performance and
efficiency.
« Calculated and verified External Static Pressure (ESP) for AHU,
FCU, and exhaust systems, ensuring proper equipment selection
and system performance.
« Prepared duct and pipe sizing layouts, including pressure loss
calculations and system balancing reports for HVAC and plumbing
networks.
« Designed and modeled HVAC ducting systems and pi
networks (CHWS/R, domestic water, drainage, vent, rainwater, and
fire protection systems) using automated and manual Revit tools.
« Developed schematic diagrams, riser diagrams, and isometric
drawings for chilled water, plumbing, and fire protection systems.
« Produced detailed mechanical room layouts, including chiller
plants, pump rooms, and fire pump systems with accurate
equipment placement and coordination
« Generated equipment schedules, BOQs, and model-based take-offs
to support procurement and cost estimation processes.
« Coordinated with multidisciplinary teams to identify and resolve
clashes using Navisworks, improving constructability and reducing
site rework.
« Prepared shop drawings and as-built documentation based on
consultant and client markups,
ensuring compliance with project
requirements.
« Converted 2D AutoCAD drawings nto intelligent 30 BIM models,
enhancing project visualization and coordination efficiency.
« Managed sheet creation, view templates, sections, callouts, and
documentation standards
for submission and engineering
approvals.
« Exported and delivered project files in multiple formats (DWG, IFC,
DWF, PDF) aligned with client and project standards.

Administration
Work Profile & Responsibilities for Revit (MEP):-
« Worked at KSU Project in BIM Department as BIM Modeler.
« Responsible for preparing Revit models and families using Revit
(MEP).
« Analyzing heating and cooling loads in Revit crafting space and zone
color schemes.
« Linking Revit architectural models copying and monitoring link files.
« Starting project information and settings itle block.
« Excellent knowledge in Revit Linking, Work set, Project Browser,
Visibility Graphics, Filters, Shared Parameters, view range, Object
Styles, Materials, annotation, Drafting View, Legend & Tags.
« Using Revit Preparation Schedules
of Equipments.
« Creating Duct System Automatically & Manvel placing air terminals
on ducts adding duct accessories.
« Adding Mechanical Equipments create filters & view templates.
« Setting for Project parameters and shared parameters.
+ Adding plumbing fixtures & piping system creating fire protection
views.
« Settings for levels, view range, adding callout views, duplicate
views.
« Cable trays, Ducts and Pipes Routing based on Client Markup
Drawings.
« Conversion Auto-CAD MEP 2D drawings into 3D Revit MEP-model.
Developing Mechanical Revit Template HVAC, Plumbing and Fire
Protection
Model Based Quantity takes off from Revit.
Exporting DWG, PDF, IFC & DWF from Revit model,
Sheets, Key plans, Views, Sections, 3D Views, View Templates and
title blocks on Revit model.
« Converting Revit Shop Drawings into AutoCAD and PDF for
Submission and Engineering Review.

« Ducts & Chilled Water Piping Design with Proper distribution to
ASHRAE standards.
« Preparing air distribution
for a outlets HVAC system.
« Good knowledge for Tendering drawing, shop drawing,
coordination drawing
& As-built drawings.
« Preparation HVAC Duct Sizing & CHW Pipe Sizing shop drawings
based on Architecture, Structural, & Interior Design drawings,
Layout & Section Preparation for Mechanical Plant Rooms & CHW
Pump Rooms.
« Preparation of ETS Rooms (Energy Transfer Station) detailed
shop drawing with sections
for chilled water equipments such as
Heat Exchangers, Pumps, Pressurization Unit, Expansion Tanks,
Water Softeners, Brine Tanks, Air Separators with all accessories as
per selection of equipment.
« Preparation of detailed shop drawing
of Mechanical Rooms for
AHUs (Air Handling Units), Exhaust & Fresh Air Fans with
Respective Louvers as per tender drawing & preparation of sections
details.
« Preparation of Riser Drawings for HVAC System for Ducts & Chilled
Water System as per GPM calculation and follow up with pipe sizing
as per flow rate of equipment.
Knowledge
of referring Technical Catalogues in preparing shop
drawings, Cooling Towers Layout
& Sections, Duct Riser/Shaft
Layouts & Sections, Ducts & CHW hanging and support details.
« Preparation of Quantity Take-Off for Ducts by Linear meter or by KG
for Duct Fabrication Factory.
« Preparation of Quantity Take-Off for Dampers, Air-outlets, Louvers,
sound attenuators, ar registers, bell mouth openings and any other
associated accessories.
« Visiting site and taking As-Built as per installation and reflectingit
on drawing
« Preparation of Red-Mark Drawings for the site requirement and
changes as per the site condition for HVAC System and update on
the drawings.
PLUMBING
& FIREFIGHTING: -
« Preparation of firefighting shop drawing as per the NFPA Standards.
« Taking consideration in shop drawings for firefighting about the
Firefighting pipes sprinklers, zone control valves, deluge system,
Pre Action, dry& wet fire suppression, FM200, Foam fire suppression
&Helipad fire suppression etc.
« Preparing the detailed drawing for the firefighting pump rooms with
the sections and details.
« Preparation of side sections
for the Fire Pumps (Electric & Diesel)
with jockey pump with respective suction to discharge with all
accessories.
« Preparation of detailed drawings
for the Fire Hose Cabinets, Zone-
control valve, and fire hose reel and implement them on shop
drawing for the approval from consultant for site execution.
« Preparing the quantity take off for al firefighting items like
firefighting pipe work, related valves, fire hose reels, sprinklers, fire
extinguishers and all associated accessories.
« Preparing the shop drawing for the drainage and water supply.
« Routing
all the plumbing pipes as per the requirement by
considering the levels and sizes.
« Preparation of water supply system as per the WSFU (Water Fixture
Units) and re-sizing of the pipes as per the WSFU and the respective
GPM flow.
« Preparation of Pump Rooms details drawings
for the booster,
transfer, circulating pump with sections and details.
« Preparing the drainage drawings by considering the levels and
slope.
« Preparing the submersible pump details with Greece Interceptor,
Pressure Break Manhole (PBMH), Sand Trap and Sludge Trap, and
provide sections for it.
« Preparation
of Builder Works drawings for the slab openings, wall
openings, sleeves for coring and general arrangement drawings.
« Preparing quantity take-off
for the drainage system piping, fittings
etc. Layout