Specs combined_Part4.pdf

This document contains technical specifications related to commissioning, selective site demolition, concrete forming and accessories, concrete reinforcement, cast-in-place concrete, and mortar/grout for the VA Grand Prairie Utility Upgrade project. The comprehensive commissioning section details systems to be commissioned including HVAC, electrical, plumbing, fire protection, and building envelope systems, with specific requirements for warranty phase commissioning, commissioning team responsibilities, and testing procedures. Detailed trend interval and alarm specifications are provided for various equipment including air handling units, chillers, boilers and terminal units.

The specifications include precise requirements for concrete work including formwork materials, reinforcing steel requirements (ASTM A615 Grade 60/75), mix designs with minimum 28-day compressive strengths, and quality control testing procedures. For masonry work, the document specifies mortar types (Type N, S and M) with minimum compressive strengths ranging from 750-2500 psi at 28 days. The selective demolition section outlines procedures for removing existing structures while protecting remaining elements, with emphasis on maintaining VA operations during construction. Each technical section includes detailed submittal requirements, acceptable manufacturers/products, execution procedures, and quality control measures aligned with industry standards like ACI and ASTM specifications.