Attachment_7_-_General_Requirements.pdf

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SECTION 01000

GENERAL REQUIREMENTS

PART 1 - GENERAL

1.01 PROJECT DESCRIPTION

A. The project consists of furnishing all labor, materials, and equipment in connection with XUMU

09-1371C Construct Lightning protection for Comm. Hub Bldg. 475. at Vandenberg Air Force Base, California.

B. The work is briefly described as follows, but is not the entire scope of the project:

− Installation of a new catenary lightning protection system to protect Bldg.

475, as well as the associated antenna tower, roof mounted antennas, and the nearby propane tank. Poles shall be galvanized steel.

− All roof-mounted and tower-mounted antennas shall by protect by appropriate surge protection devices.

1.02 OCCUPANCY:

A. The project site will be occupied by base personnel during construction operations.

1.03 WORK SCHEDULE

A. Working hours will normally be between the hours of 7:30 a.m. and 4:30 p.m., excluding

Saturdays, Sundays, and federal holidays. If the Contractor desires to work during periods other than above, he shall make his request to the Contracting Officer 3 workdays in advance. If Government inspection forces are not required or such forces are reasonably available, the Contracting Officer may authorize the Contractor to perform work during periods other than normal duty hours/days; however, if Government inspectors are required to perform in excess of their normal duty hours/days solely for the benefit of the Contractor, the actual cost of inspection at overtime rates will be charged to the Contractor. These adjustments to the Contract price may be made periodically as directed by the Contracting Officer.

Attachment 7 8 Jan 15

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1.04 MANDATORY WORK STOPPAGES

A. A mandatory work stoppage occurs whenever the Contractor is restricted from working a full workday and is unable to reallocate work forces to other locations. All costs associated with five mandatory work stoppages must be included in the bid price. No additional compensation or extension to the Contract performance period will be given as a result of five mandatory work stoppages.

B. The Contractor may be required, without advance notice, to move work to a different location.

The Contractor shall be prepared to increase or decrease his work forces with appropriate trades to perform work in the relocated work areas at no additional cost to the Government.

C. The Contractor shall notify the Contracting Officer when a mandatory work stoppage occurs for recording purposes; otherwise, the work stoppage will not be credited to the Contractor.

1.05 SECURITY

A. The Contractor shall obtain all passes, badges, decals, or other identification media required for security clearance to areas where work is performed. Obtain vehicle and individual identification media at the Pass and Registration Section, 30 SW/SFAM, Building 11777, 6-1853. Identification media shall be surrendered to the Pass and Registration Section upon termination of the Contract, or termination of an individual's employment with the Contractor.

B. The work to be performed is in a military restricted or controlled area. The Contractor must comply with the entry control policies for the area. The Contractor and its employees are required to have at least a National Agency Check. In the event the Contractor cannot comply with the investigative or clearance requirement, it is the responsibility of the Contractor to obtain escort officials who are authorized unescorted entry to the work area.

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It is also the Contractor's responsibility to coordinate with the appropriate security officials at each construction site at least 5 workdays prior to start of Contract performance. For information on security services, contact Personnel Security Section, 30 SFS/SFAI, 5-0766. The Contractor shall provide enough escort officials for uninterrupted visual surveillance within 50 feet of all individuals not having required security clearance performing work as part of the Contract.

1.06 UTILITIES

A. Utilities directly required to complete the Contract will be provided, if available, to the Contractor without charge. Any temporary connections or lines that are required shall be installed, maintained, and removed by the Contractor at his own expense and in a manner satisfactory to the Contracting Officer. Before any temporary connections are made, the contractor shall obtain approval from the Utility Shop (30CES/CEOIU, 606-5885) for gas, water and sewer connections and Exterior Electric (30CES/CEOIE, 606-6434) for electrical connections. Contractor shall remove temporary utilities before final acceptance.

B. Schedule all utility outages and secure approval of these outages from the Contracting Officer at least 5 work days in advance of the outage.

1.07 SAFETY

A. Contractor shall observe all safety and fire regulations as presently enforced at Vandenberg AFB.

The construction shall be in accordance with the US Army Corps of Engineers Safety and Health Requirements Manual, EM 385-1-1, and Occupational Safety and Health Act (OSHA) Public

Law 91-596. Comply with OSHA and Air Force Occupational Safety and Health (AFOSH) safety standards.

B. All construction sites are subject to fire and safety inspections without notice. Any violation of fire and safety standards may result in a work stoppage at the expense of the Contractor.

C. Contractor shall hold a safety briefing for all subcontractors and craftsmen prior to construction or demolition. This briefing shall be for the specific purpose of making all personnel aware of asbestos and/or lead-based paint issues that may be encountered during demolition and/or renovation even though the project may not seemingly involve disturbance of those substances.

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1.08 COORDINATION FOR WORK CLEARANCE REQUEST (AF Form 103)

A. The Contractor shall obtain and process a Form 103, Coordination For Work Clearance Request, for all work, especially digging operations, involving utilities, communication cables, or environmental sites. The Contractor can obtain a Form 103 from the 30th Civil Engineering Squadron Administration, 30 CES/CECA, Building 11433, (805) 606-8701.

B. Government agencies will annotate on the Form 103, any special instructions and/or compliance requirements prior to start of any work and/or while work is being accomplished. The Contractor shall implement all requirements indicated on the Form 103. The Contractor shall not begin work until the Form 103 is fully approved. The Contractor shall keep the Form 103 on site from the start of work until construction or project completion.

C. The Contractor shall coordinate any work/digging operations in the vicinity of utilities and communication cables with the 30th Civil Engineer Squadron Infrastructure Maintenance Engineering Utility Shop, 30 CES/CEOIU, and the 30th Communications Squadron, 30 CS. No mechanical digging shall be performed within 4 feet of utilities or communication cables until they are physically exposed by hand digging. If a utility or communication cable is damaged, notify the Contracting Officer immediately. A minimum of a 24-hour advance notice for both 30 CES/CEOIU utility monitors, (805) 606-5885, and 30 CS communication monitors, (805) 606- 7534, are required. Work shall not begin until the required 30 CES utility or 30 CS communication monitors are present. Additionally, during the 48-hour period prior to a launch operation, Contractors shall cease excavation work when they are within 15' of known communication lines as identified on the approved Form 103.

D. The Contractor shall coordinate all work with the 30th Civil Engineer Squadron's Environmental

Management Flight, 30 CES/CEV, Building 7015. The Contractor shall coordinate the Form 103 with the Environmental Management Flight, a minimum of ten (10) workdays prior to any work/digging operations. Environmental monitors may be required from the 30th Civil Engineer Squadron's Environmental Management Flight and a minimum of a 72-hours advance notice for environmental monitors is required. Work shall not begin until all required environmental monitors are present.

1.09 WELDING PERMIT: Any welding or torching on Vandenberg AFB requires a welding permit.

The Contractor shall obtain a welding permit from the Fire Protection Flight, 30 CES/CEF, Building 10660, 6-5380. A permit will be issued within 2 workdays with instructions for welding fire prevention.

1.10 SUBMITTALS

A. After notification of Contract award and prior to purchasing any materials, submit to the

Contracting Officer for approval three copies of all items listed on AF Form 66, Schedule of Material Submittals (see Attachment 1), with one AF Form 3000, Material Approval Submittal, for each submittal. For the purpose of this statement, all entries included on a single AF Form 3000 are considered to be one submittal. Materials, shop drawings, manufacturer’s recommendations, etc., shall not be incorporated into the resultant Contract work until approved by the Contracting Officer or his Authorized Representative.

B. The following definitions set forth the minimum requirements for the type submittal listed on the

AF Form 66 (Atch 1) and as further delineated under each section of the specifications:

1. CERTIFICATION OF COMPLIANCE:

a. Manufacturer’s Certification. Submit manufacturer’s certification that products meet or exceed specified requirements.

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b. Testing Laboratory Services. Contract with an independent testing laboratory to perform inspections, tests, and other services, in accordance with specified standards. Notify the Contracting Officer 24 hours prior to commencement of testing services.

c. Letter of Compliance. Submit letter stating that materials meet drawings and specifications. Include applicable referenced standards.

2. SHOP DRAWINGS. Submit opaque reproductions.

3. SAMPLES. Submit one set of the full range of manufacturer’s standard colors, textures, and patterns, unless otherwise indicated. Include the identification of each sample, giving full information. Samples may be retained until the completion of the Contract.

4. COLOR SELECTION. Provide field samples of finishes completed and finished. Acceptable samples in-place may be retained in completed work.

5. MANUFACTURER’S RECOMMENDATIONS. Submit manufacturer’s printed instructions for delivery, storage, assembly, installation, adjusting, and finishing.

6. MANUFACTURER’S WARRANTY. Submit all manufacturer’s warranties given to the

Contractor for products used in the Contract.

7. CATALOG DATA. Mark each copy to identify applicable products, models, options, and other data; supplement manufacturer’s standard data to provide information unique to the work.

8. OPERATIONS AND MAINTENANCE MATERIAL REQUIREMENTS:

a. The Contractor shall identify all parts, materials, and consumable items required by the original equipment manufacturer to operate and maintain the system (as indicated in vendor data) in its installed operating environment for a 12-month period. These items shall be identified on a list by true manufacturer's part number, manufacturer's name, nomenclature, and all technical specifications or other identification required by the manufacturer to identify the individual items for reprocurement. Include the name, address, and phone number of authorized suppliers of each item on the list.

b. (Not Used)

9. SYSTEM OPERATING MANUALS AND EQUIPMENT OPERATING, MAINTENANCE, AND

REPAIR MANUALS: The Contractor shall provide operating, maintenance, and repair manuals for all systems provided under this Contract as specified below. The preparation of the manuals shall be a continuing process from the Notice to Proceed to construction completion. The Contractor shall meet every 4 weeks throughout the life of the Contract with the Contracting Officer to demonstrate progress update on the preparation of the manuals.

a. The manuals shall be submitted for approval within 90 days after approval of the submittal for the items proposed for procurement unless stated otherwise in the Technical Specifications. Four bound sets of manuals with original factor/vendor data (not reproduced copies of the data) plus six bound sets of manuals with reproduced copies of this data shall be provided. (A draft copy of the manuals shall be made available to the Government at least 30 days prior to approval). Each manual shall include the following:

(1) Hard Cover Binders. The manuals shall be bound in a 3-ring binder with a hard cover. The following identification shall be inscribed on the cover, the words

"OPERATING MANUALS AND EQUIPMENT OPERATING, MAINTENANCE, AND

REPAIR MANUALS", and the building name and number, location, and indication of utility or system covered. Manuals shall be approximately 8-1/2" x 11", with large

01000-6 sheets folded and capable of being easily pulled out for reference.

(2) Warning Page. A warning page shall be provided to warn of potential dangers (if they exist), such as high voltage, toxic chemicals, flammable liquids, explosive materials, carcinogens, or high pressures. The warning page shall be placed inside the front cover, in front of the title page.

(3) Title Page. The title page shall show the name, address, and phone number of the

Contractor, the Contract number, and the date of publication.

(4) Table of Contents. Provide in accordance with standard commercial practice.

b. General. Manuals shall include, in separate sections, the following information for each item of equipment and system:

(1) Performance sheets and graphs showing capacity data, efficiencies, electrical characteristics, pressure drops, and flow rates. Marked-up catalogs or catalog pages do not satisfy this requirement. Performance information shall be presented as concisely as possible and contain only data pertaining to equipment actually installed.

(2) Catalog cuts showing application information.

(3) Installation information showing minimum acceptable requirements.

(4) Operation and Maintenance Requirements. Include adequate illustrative material to identify and locate operating controls, indicating devices, and locations of areas or items requiring maintenance.

(a) Describe, in detail, starting and stopping procedures for components, adjustments required obtaining optimum equipment performance, and corrective actions for malfunctions.

(b) Maintenance instructions describing the nature and frequency of routine maintenance and procedures to be followed. Indicate any special tools, materials, and test equipment that may be required.

(c) For air conditioning systems, temperature control, and HVAC distribution systems, central heating plants, and district heating distribution systems, system information shall be provided on all operating conditions including normal operations, hazardous operations, and emergency exhausts.

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(5) Repair information including diagrams and schematics, guidance for diagnosing problems, and detailed instructions for making repairs. Provide troubleshooting information that includes a statement of the indication or symptom of trouble and the sequential instructions necessary. Include test hookups to determine the cause, special tools and test equipment, and methods for returning the equipment to operating conditions. Information may be in chart form or in tabular format with appropriate headings.

(6) Parts list and names and addresses of the two closest parts supply agencies.

(7) Names and addresses of the local manufacturer's representatives and the parent company.

(8) A copy of all written materials used in the classroom and field training.

c. Operating and Maintenance (O&M) Equipment Data. Data to be provided for each equipment item: The O&M data to be submitted for each item of equipment shall include, but not be limited to, the items listed below. Separate sets of O&M data will not be required for identical pieces of equipment installed within a single major system.

(1) Equipment Description. Shall include item name, model number, part number, equipment price (FOB mfg.), electrical and/or mechanical characteristics, manufacturer's name and address, order number, and all other data found on the equipment data/nameplates.

(2) Component and Assemble Drawing/Master Parts List. Shall contain exploded views and/or master parts lists clearly identifying all parts and subassemblies by manufacturer's part number. Master parts lists shall also include price for each part (FOB mfg.).

(3) Control Diagrams and Sequences of Operations. Shall include operating instructions (including normal start up, normal shutdown, and emergency shutdown, as applicable).

(4) Performance Characteristics. Shall include performance curves for full range of operation.

(5) Installation Instructions. Shall include adjustment and alignment procedures, checkout procedures, and test procedures.

(6) Preventive Maintenance Procedures. Shall include inspection, cleaning, adjustment, service, and lubrication instructions. A schedule shall be furnished for each piece of equipment listing manufacturer's recommended maintenance routine of specific tasks to be performed at specific intervals such as daily, weekly, monthly, quarterly, or based on the number of operating hours. Preventive maintenance schedules shall take into account operating conditions at Vandenberg AFB, California.

(7) Corrective Maintenance Procedures. Shall include instructions for troubleshooting, repair, overhaul, and calibration.

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(8) Special Items. List of special tools, special test equipment, hazards, and safety precautions shall be provided. Special item lists shall include price for each item (FOB mfg.). Whenever special tools and equipment are required to be provided, by the Technical Provisions or are normally provided by the manufacturer with the equipment, the Contractor shall annotate them on the lists. Items listed shall be turned over to the Contracting Officer.

(9) Recommended Spare Parts List. Shall contain the manufacturer's recommendation for 1-year spare parts stock lever. These are primary spares at the "line replaceable units" level to facilitate minimal system downtime by enabling rapid removal/ replacement of failed components. True manufacturer's part number, manufacturer's name, nomenclature, all technical specifications, or other identification required by the manufacturer to uniquely identify an individual part for reprocurement, price, lead time, and shelf time for each individual part shall be furnished.

(10) Manufacturers. Shall include names, addresses, and telephone numbers of all manufacturers whose parts appear on the recommended spare parts list and shall be attached to the recommended spare parts list.

(11) Authorized Parts Suppliers. Shall include names, addresses, telephone and telex numbers of authorized parts suppliers of the equipment.

(12) Extended Warranties. Shall identify the availability and costs of extended warranties.

d. System Operating Manuals. Four bound copies of manuals with original factory/vendor data, plus six bound copies of manuals with reproduced copies of this data shall be provided for each system. Manuals shall be written so that they can be understood by a graduate of both high school and service school with some practical experience. A separate manual shall be provided for each system as defined hereinafter. Generally, all manuals shall include the following information:

(1) A general description of each system to show the type of system installed, its design or specified capacity and performance capabilities, special or unusual features, and relationship to other systems.

(2) A statement of the design intent to include design factors and assumptions.

(3) Operating instructions describing, in detail, system starting and stopping procedures, instrumentation, and adjustments necessary to obtain optimum system performance. The location of test connections and the values expected at these points shall be included, preferably in illustrated form. Data must include a list of the additional equipment required to accomplish the verification such as temperature, vacuum, pressure, hydraulic, or pneumatic gauges; voltmeters; ammeters;

frequency meters; or signal generators. The listing must show methods of use or application, range of scales, and specific minimum tolerances or percentages of accuracy.

(4) Emergency operating instructions to include emergency procedures for equipment malfunctions to permit a short period of continued operation or to shut down equipment, if required, to prevent further damage. Included emergency shutdown instructions for fire, explosion, spills, or other contingencies. Provide guidance in emergency operations of systems controlled.

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(5) Single-line floor plans, to show location of equipment and configuration of systems.

Floor plans shall be accomplished so those structural features are subdued compared to utility features. Floor plans shall be included in the manual, not as a separate package.

e. Separate Equipment Operating, Maintenance, and Repair Manuals. Shall be provided for each system as defined hereinafter in this and other sections:

(1) Air-Conditioning Systems. Provide information on chillers, packaged air-conditioning equipment, towers, water treatment, chemical feed pumps and tanks, air-cooled condensers, pumps, compressors, air-handling units, and valves (associated with air-conditioning systems).

(2) Temperature Control and HVAC Distribution Systems. Provide the information described for the following equipment: valves, fans, air-handling units, pumps, boilers, converters and heat exchangers, chillers, water-cooled condensers, air-cooled condensers, cooling towers, fin-tube radiation, and radiant heating systems.

f. Provide all information described for the following equipment: control air compressors, control components (sensors, controllers, adapters, and actuators), and water and air flow-measuring equipment.

(1) Exterior Electrical Systems. Information shall be provided on the following equipment: power transformers, relays, reclosers, breakers, regulators, converters, meters, and capacitor bank controls.

(2) Interior Electrical Systems. Information shall be provided on the following equipment: relays, motor control centers, switchgear, solid-state circuit breakers, motor controller, regulators, converters, filters, meters, and EPS lighting systems.

(3) Wiring diagrams and troubleshooting flow chart on control system.

(4) Special grounding systems.

g. Direct Digital Control (DDC) System. The maintenance manual shall include descriptions of maintenance for all equipment including inspection, periodic preventive maintenance, fault diagnosis, and repair or replacement of defective components.

h. Fire Protection Systems. Information shall be provided on the following equipment:

alarm valves, manual valves, regulators, foam and gas storage tanks, piping materials, sprinkler heads, nozzles, pumps, and pump drivers.

i. Fire Detection Systems. The maintenance manual shall include description of maintenance for all detectors, control panels, batteries, transmitters, audible and visual alarm-signaling devices, and any other auxiliary detection or alarm equipment associated with fire detection and alarm systems. The manual shall include inspection, test, periodic maintenance, fault diagnosis, and repair or replacement of defective components.

j. Payment for the system may be withheld until the operating and maintenance manuals are approved, and training has been successfully accomplished.

10. CONTRACTOR-PROVIDED TRAINING.

a. (Not Used)

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1.11 GOVERNMENT-FURNISHED EQUIPMENT: (Not Used)

1.12 RECORD DRAWINGS

A. Maintain a clean, undamaged set of Contract drawings and shop drawings. Mark the set to show the actual installation where it varies substantially from the work as originally drawn. Mark whichever drawing is most capable of showing conditions fully and accurately. Where shop drawings are used, record a cross-reference note or number at the corresponding location on the Contract drawings. Give particular attention to concealed elements that would be difficult to measure and record at a later date.

1. Mark record sets with red erasable pencil.

2. Mark new information that is important to the Government, but was not shown on Contract drawings or shop drawings.

B. Submit 7 days prior to final inspection, one set of marked-up Contract drawings and one set of marked-up shop drawings.

C. Approved redlined drawings will be returned to the Contractor, along with AutoCAD diskette

(Release 2000) of the original drawings. All work on the diskette will be accomplished by a Certified Engineering Technician and/or individuals with a minimum of five years drafting experience, at least three of which must be using AutoCAD. The name of these individuals shall be submitted in writing to the Contracting Officer. Modifications to the diskette shall be accomplished on the appropriate layer showing the work being changed. All revisions shall be done in the same format as the original drawing. On each sheet the words “AS-BUILT” in block letters will be added to the disks. The size of the letters will be at least 3/8 inches high and be placed either above the title block or to the left of the title block. Fill in the revisions block with ‘REVISED AS-BUILT,” date and initials. The submittal shall include the revised AutoCAD diskette, the approved “Red Line” drawings and a full size plot of the drawings from the revised diskette. As-builts will be returned to the Contracting Representative within (2, 3, 4) weeks of receipt of the Master AutoCAD diskette.

1.13 ENERGY EFFICIENCY

A. (Not Used).

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1.14 GLOBAL POSITIONING SYSTEM (GPS) REQUIREMENTS

A. GPS Receiver To ensure that the appropriate type of GPS receiver is matched to the mapping application, an understanding of receiver capabilities and limitations is required. There are basically three classes of GPS receivers:

•Recreational Grade These devices have an accuracy within five to twenty meters. These GPS receivers usually do not have the ability to "post-process" collected data, but usually have the ability to perform real time correction using Wide Area Augmentation System (WAAS). GPS receivers can be used to navigate to a specific area and/or compile uncorrected GPS data, using associated third party software to convert the collected data directly into GIS supported data formats. Most modern “smart phones/tablets”, auto GPS devices, and Garmin GPS devices fall into this category.

•Mapping Grade These have an accuracy from sub-meter to five meters. These GPS receivers have the ability to log raw GPS data, enabling these GPS-collected data to be post-processed utilizing desktop GPS software and allowing locations to be refined or corrected to a higher level of precision than inherent in the raw data. This category of GPS receiver also has the ability to communicate with a base station, store attributes of features, use a data dictionary and upload data from the GPS device to a PC.

•Survey or High Accuracy Grade These include instruments with associated software that can achieve one centimeter relative accuracy. These are used by land surveyors primarily for boundary, topographic, and geodetic surveys, photogrammetry, and other activities requiring high accuracy. Specialized training is needed to use this equipment.

The GPS receivers used to collect all GPS data for the VEGR will depend upon the project.

However, regardless of the project, the GPS receivers must be of Mapping Grade or better. For certain engineering projects (buildings/bridges/surveys), Survey or High Accuracy Grade GPS devices will be required. The GPS devices must:

Routinely achieve 60 centimeter or better horizontal accuracy, using either real time or post processed differential corrections.

Operates in a 3D mode where the receiver requires signals from a minimum of four satellites to determine a 3D (latitude, longitude, and elevation) location (a fix).

Allow the storage of position fixes for features that are being mapped. When mapping point features, the receiver must be able to store position fixes (the minimum number depending on the quality of the receiver) for the feature. The receiver must have enough data storage capacity for a typical day’s worth of data collection.

Be user configurable for critical settings, including DOP, SNR, elevation mask, and logging rate.

Produce and store data in a format compatible with the base station data used to perform the differential corrections or have the capability to receive real-time corrections from the base station.

The Vandenberg GeoBase Office currently utilizes Trimble GeoExplorer 6000 series devices with

Trimble Pathfinder Pro receivers and Terrasync GPS collection software. This setup routinely

01000-12 allows GPS technicians to achieve post processed 30 centimeter horizontal accuracy (Real Time accuracy is close to 60 centimters)

B. Field Data Collection Parameters To achieve the target accuracy, all collected GPS data must be differentially corrected, either in real time or in a post process step. The following parameters will help to assure that accuracy standards are met:

Position Mode All position fixes must be determined with 7 or more satellites

Elevation Mask 15 degrees above horizon.

PDOP Mask Max PDOP = 3

Signal to Noise Ratio Mask (SNR) If this parameter setting exists, set it to 39.0

Minimum Positions If this parameter setting exists, set it to the manufacturer for point features recommendation that would, at a minimum, allow the GPS data collected to achieve the accuracy standard.

Recommend using a minimum of 60 1-second positions. Solutions based on a single fix are not acceptable.

Logging Intervals Intervals for point features will be 1 second. Line and polygon features should be collected as a set of point features that can connected using GIS software.

Logging of DOP If the receiver allows, this parameter setting will be set to allow the logging of DOP data along with position fixes.

B. Attributing GPS Features During GPS data collection, GPS technicians will collect and attribute GPS features based on the spatial feature in VEGR. For example, if a water line is being installed, attributes like pipe size, pipe composition, and pipe designation (Primary vs Secondary) would be required attribution.

Please check with the Vandenberg GeoBase Office for questions on feature attributions.

C. Processing of GPS Field Data

All GPS data collected for the Port must undergo some post processing steps using GPS processing software before the data can be used to generate a GIS layer. The exception to this step is if the GPS device is able to achieve real time accuracy that meets the 60 centimeter accuracy standard. To assure accuracy standards are adhered to, the Vandenberg Geobase office routinely checks GPS locations of engineering, utility, and communications projects for accuracy.

The GPS processing software must be able to download GPS data files from the GPS receiver, and perform differential corrections. In addition, it must allow exporting the corrected data to a GIS compatible format (File Geodatabase or Shapefile), in the correct coordinate system. Refer to the section below for specific information on the required coordinate system.

D. GPS Base Stations for Post Processed Differential Corrections For post processed differential

01000-13 corrections, several resources exist for GPS base station data in California. The nearest operating base station with the highest integrity rating should be used. The Vandenberg GeoBase office has a base station located on top of building 11439 and runs 24/7. Base station files from this base station can acquired from the Vandenberg GeoBase office.

E. Output to GIS

As stated previously, the preferred GIS data submittals should be in either ESRI File Geodatabase or Shapefile formats. The GPS processing software must allow for exporting to one of these formats. CAD export files will not be accepted. Refer to the section below for specific information on the required coordinate system.

F. Elevation Data

If elevation data is required by the project, it will be referenced to the North American Vertical Datum of 1988 (NAVD 88) vertical geodetic datum. Elevations must be generated as orthometric heights (relative to mean sea level) determined using the GEOID99 (Continental US) geoid conversion model. Conversions from other geoid conversion models are not acceptable.

G. Spatial Reference

The all GPS data must be delivered using the VEGR Spatial Reference as noted below.

Vandenberg AFB and surrounding local GSUs Projection: California State Plane Zone: California Zone 5, FIPS Zone 0405 Units: Meters Horizontal Datum: North American Datum (NAD) 1983 Vertical Datum: North American Vertical Datum (NAVD) 1988

Pillar Point AFS Projection: UTM Zone: Zone 10N Units: Meters Horizontal Datum: WGS 1984 Vertical Datum: North American Vertical Datum (NAVD) 1988

H. Deliverables If GPS data collection work is being performed by a contractor, final deliverables will include:

1.) All GPS field data files, both uncorrected and corrected versions, must be submitted. If field data was collected in real time differential mode, then there will not be uncorrected files, and only the real time corrected files are necessary. If edits are made to corrected files (i.e., fixes deleted or offset), copies of both edited and unedited are to be submitted.

2.) All GPS to GIS export files, using the correct spatial reference detailed in Section 2.4. GIS files must use either an ESRI File Geodatabase or Shapefile format.

3.) All GPS processing log files pertaining to post process differential correction and GIS export (if produced)

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION