Specifications include, but are not limited to: The Philadelphia Water Department (PWD, or Department) is seeking proposals from qualified firms to assist the Private Development Services program within the Green Stormwater Infrastructure (GSI) Implementation Unit with the review and inspection of development sites to ensure compliance with the PWD Stormwater Regulations. PWD is seeking assistance with post-construction stormwater management plan (PCSMP) reviews, field inspections of stormwater management practices (SMPs) to verify proper installation during active construction and long-term functionality and maintenance during post-construction, and with program development support. The selected Applicant is expected to provide full time on-site engineering and inspection staff for the duration of the contract.