STATEMENT OF WORK.pdf

Water Leak Detection Survey/Study

STATEMENT OF WORK

1.0 BACKGROUND, PURPOSE, SCOPE, AND GOALS

1.1 BACKGROUND – Goddard Space Flight Center (GSFC)-Greenbelt campus is in Greenbelt, Maryland near Washington D.C. and is one of ten major NASA field Centers. GSFC-WFF is in Wallop, VA. The Greenbelt campus has roughly 9,000 civil service and contract employees working at this site. Activities conducted at the site include the development and operation of unmanned space systems and missions. GSFC operates two spaceflights tracking and data acquisition networks, develops and maintains advanced space and Earth science data information systems, and develops satellite systems for the National Oceanic and Atmospheric Administration. The WFF campus provides agile, low-cost flight and launch range services to meet government and commercial sector needs for accessing flight regimes worldwide from the Earth’s surface to the moon and beyond. In addition, Wallops is a multi-user/multi-tenant facility in a geographic location ideal for supporting satellite tracking and commanding, military operations and training, scientific investigations, technology development, and testing, as well as commercial aerospace. Both campuses operate 24 hours per day, seven days per week, throughout the entire year.

1.2 PURPOSE – The work to be done consists of performing a water leak detection survey for the Greenbelt and WFF campuses. Perform a leak detection survey by skilled leak detection experts using advanced technology and non-invasive practices to accurately locate the leak and diagnose the cause of the problem. This water leak detection survey should provide sufficient detail of needed repairs, which includes identifying and outlining deficiencies, energy and cost savings potential, and proposed repair cost for each deficiency.

1.3 SCOPE – A water leak survey shall be conducted on the entire outside domestic (potable) water systems at the Greenbelt and WFF campuses at the Investment Grade Audit (IGA) level. GSFC (GB, WFF) will provide water system distribution system maps identifying the locations of valves, hydrants, and other potential access points. GSFC (GB, WFF) POCs shall be consulted to identify any known bypassed leaks to include in the deficiencies and repair list. The survey shall include:

� The use of acoustic devices to listen to accessible fire hydrants, accessible mainline valves, and when necessary, selected service connections in the entire distribution system by making physical contact with the valve, hydrant, pipe, or B-box.

� Listening points of contact will be valves, hydrants, service valves, or meter settings. The preference of listening points in order as follows: direct contact with the pipe, mainline valves, hydrant valves, hydrants, then service valves or meter settings. Specific listening distances will be determined by pipe material. Contact is to be made with pipe appurtenances at intervals for Metallic type pipes – no greater than 350 feet between listening points; non-metallic AC/Concrete type pipes – no greater than 300 feet between listening points; non-metallic PVC/HDPE type pipes -no greater than 150 feet between listening points.

� At the GSFC-WFF site Only: If services or valves need to be operated to eliminate service draw noises or to change velocity noises, GSFC-WFF personnel shall be requested to operate the valves.

� All valves and hydrants shall be field verified on distribution mapping that will be provided to the leak detection crew by GSFC (GB, WFF). If through the course of the leak detection, it is discovered that portions of the distribution maps are inaccurate, the leak detection crew shall make corrections directly to the GSFC provided maps.

� A “suspected leak” log will be maintained indicating areas where suspected leak noise was heard.

This log will be reviewed to verify the suspected leak area and the confirmation of the actual existence of a leak. This will be part of the daily log reports turned in to GSFC (GB, WFF) regardless of an actual leak located in the area or not, with an explanation of the noise source. The daily log sheets shall be submitted by 9 am the following day to GSFC (GB, WFF) POC. The logs shall include the areas of the system surveyed and any problems encountered that adversely impact the successful completion of the survey. The daily log/leak report shall include the date, a map or diagram of the system indicating leak location (problems encountered), pictures of the site showing painted leak location, and distances to the leak (problem encountered) location from known fittings.

1.4 GOALS – The survey shall furnish engineering and analysis to define the amount of water lost from each identified leak and provide an overall analysis of water consumption at the facility. The following are the goals for the water leak survey.

− Projects (Repairs and Deficiencies) shall be in the best interest of the government/agency/mission and ranked based on need/facility and reliability improvements/economics.

− Impacts on personnel and increased maintenance requirements will be minimized.

− A draft and final report shall be submitted in electronic and hard copy format. The report should include a summary of findings from the leak detection survey including recommendations for water loss reduction as well as any general observations. The report shall include at a minimum an executive summary, all water line leak location reports, the daily logs previously submitted, relined water distribution system drawings, and a summary of recommendations and conclusions.

2.0 SITES ADDRESSES & POINTS OF CONTACT

− Chris Bentley, GSFC-WFF Bldg N-161 Room 121, 757-414-3951, christopher.d.bentley@nasa.gov − Justin Ridgeway, GSFC-GB Bldg 18 Room 140, 301-286-7682, justin.d.ridgeway@nasa.gov − Evelyn Baskin, GSFC-GB Bldg 18 Room 140, 301-286-7728, evelyn.baskin@nasa.gov

3.0 GENERAL REQUIREMENTS

3.1 DEFINITION OF TERMS

Contractor — The entity or entities authorized by PEPCO to perform Work under this Agreement, and any subcontractors retained to perform the Work described in this Agreement.

Cost-effective, also Life Cycle Cost-Effective and Financed Life Cycle Cost-Effective — Providing savings to investment ratio (SIR) greater than for example 1 or 1.25 insert agency determination, as calculated using the methods and procedures developed pursuant to 10 CFR 436, Federal Energy Management and Planning Programs, Subpart A, Methodology and Procedures for Life Cycle Cost Analyses.

Investment Grade Audit (IGA) — A comprehensive analysis of potentially pricey energy efficiency improvements with a distinct focus on financial concerns and return on investment. The audit consists of a detailed account of energy and water use; cost/savings analysis of potential energy and water savings opportunities; and a project proposal of bundled measures, with a financing plan as well as implementation and savings verification plans. According to the California Energy Commission, an investment grade audit should cover at least the following:

− Operating hours analysis − Inventory of all energy-consuming equipment

− Energy rates and cost figures for all utilities − Analysis of at least one year of historical utility billing data − Energy balance analysis − Identification of the major energy-consuming equipment and processes in the building − Analysis of opportunities for energy efficiency measures and their potential savings and payback periods − Identification of suitable retrofits and technology for these measures − Identification of potential measures in similar buildings, which are not feasible for the building in question

Maintenance — Maintenance refers to all efforts, by all sources, to maintain completed Repairs/Deficiencies. The economic analysis of maintenance costs associated with a repair/deficiency must include a comparison of ongoing maintenance costs and the potential repair/replacement costs avoided with adequate maintenance. Data about maintenance will be provided by the Agency.

Savings-to-Investment Ratio (SIR) — The net present value of project savings stream divided by the project cost using discount factors from the Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis – April 2008. Annual Supplement to NIST Handbook 135 and NBS Special Publication 709, U.S. Department of Commerce. http://fire.nist.gov/bfrlpubs/build08/PDF/b08019.pdf

3.2 ASSESSMENT TEAM — shall have the following minimum experience and qualifications:

Assessment Supervisor: (Per 10 CFR Ch. II, Section 450.22) − Minimum of four (4) years of experience in accomplishing water leak detection surveys − Minimum of bachelor’s degree in Engineering from a college or university accredited by the Engineers

Council for Professional Development − Professional Registration as an Engineer Assessment Team Members:

− Minimum of two (2) years of experience in accomplishing water leak detection surveys

4.0 APPLICABLE SPECIFICATIONS, REGULATIONS, ETC.

Repairs/Deficiencies shall meet or exceed all applicable codes and regulations, including, and not limited to:

− National Electrical Code (NEC) − Uniform Building Code (UBC) − Uniform Mechanical Code (UMC) − Uniform Plumbing Code (UPC) − National Fire Protection Association (NFPA) Standards − Clean Air Act and Amendments, Title VI − Maryland Code of Regulations