Project Delivery Method:
Design-Build (D-B)
Construction Management @ Risk (CM with GMP)
Design-Bid-Build (D-B-B)
Owner Team:
Government Agency
Corporate Owner Representative
Owner Representative (consultant)
Project Manager of Capital Projects
Facility Manager (in-house staff)
Facility Manager (outsource staff)
Project Delivery Team:
D-B Project Manager
Integrated Project Delivery (IPD) Project Manager
CM Project Manager
Mechanical-Electrical D-B Coordinator
Architect, Acoustical, Plumbing, Electrical, Structural, Fire Protection, and Security Consultants
HVAC Project Team:
HVAC Supervisor (in-house staff)
HVAC Supervisor (outsource staff)
HVAC Technician (in-house staff)
ATC Technician (outsource staff)
Third-Party Testing, Adjusting, and Balancing (TAB) Technician
OWNER’S BUILDING PROGRAM
Application:
Retail Facilities, Chapter 2
Commercial & Public Buildings, Chapter 3
Places of Assembly, Chapter 5
Enclosed Vehicle Facilities, Chapter 16
Project Type:
New Construction
Renovation
Infrastructure (central heating, cooling, and/or cogeneration)
Energy Audit and Retrofit
References:
2017 ASHRAE Handbook – Fundamentals
2018 ASHRAE Handbook – Refrigeration
2019 ASHRAE Handbook – HVAC Applications
2020 ASHRAE Handbook – HVAC Systems and Equipment
Other References:
Cooling Technology Institute (cooling towers)
ASHRAE GreenGuide: Design, Construction, and Operation of Sustainable Buildings
ASHRAE Geothermal Heating and Cooling: Design of Ground-Source Heat Pump Systems
ASHRAE Fundamentals of Design and Control of Central Chilled-Water Plants
ASHRAE Humidity Control Design Guide for Commercial & Institutional Buildings
ASHARE Guide for Buildings in Hot and Humid Climates
DESIGN INTENT DOCUMENT
The HVAC system selection and design intent is based on the processed outlined in ASHRAE Handbook 2016, Chapter 1, “HVAC System Analysis and Selection”
Owner building program goals and additional goals
System constraints and constructability constraints
Finalized system selection shall be centralized HVAC air systems and remote heating and cooling plants
Specialized systems shall include general, toilet, and kitchen exhaust
Automatic controls shall include existing temperature controls and equipment-furnished controls
Existing VAV terminals; fan-powered terminals with electric heating coils; electric baseboard radiation; and registers, grilles, and diffusers (floor, wall, and ceiling).
DESIGN CRITERIA DOCUMENT
The HVAC design criteria shall be in sync with the project delivery method and owner’s building program.
The design criteria shall be based on ASHRAE 60.2 and federal energy code compliance for outdoor air temperature compliance.
Existing HVAC systems serving the renovated offices and conference rooms shall be removed, and a new VRF heating and air conditioning system shall be installed.
Utility shall be 480/3/60 electrical power to serve two DOAS units, each 75-ton unit is sized with the new automatic controls and shall be interfaced with the existing BAS system.
Air filters shall be prefilter MERV 7 and final filter MERV 15, serving the new DOAS unit and MERV-14 FCU filters.
The new automatic controls shall be interfaced with the existing BAS.
The low-velocity sheet metal distribution shall be reused.
Each office and conference room shall have its own programmable thermostat set at 68°F heating and 76° cooling in the occupied cycle and 60° heating and 76° unoccupied set points.