B09_CHOH_245002_287711_Amd_6_-_013233_PhotoDocs_2023_04_03_0006.pdf
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- Attached to
- CHOH 245002 287711 -Locks and Wall
- Solicitation number
- 140P2022R0130
About this file
This document outlines photographic documentation requirements for a federal construction project involving locks and walls at Chesapeake and Ohio Canal National Historical Park. The contractor must take digital photographs on a monthly basis to document construction progress, as well as before construction begins to record existing conditions. A minimum of 10 photos must be taken of each work area showing adjacent properties, and 14 photos of existing buildings on or near the project site. Additional photos may be requested by the Contracting Officer. Photographs must be in JPEG format with a minimum resolution of 3200 by 2400 pixels. The completed photo set must be submitted on archival DVDs with an index listing the file name, date, time and description of each image. The National Park Service is the contracting agency, and the project is solicitation number 140P2022R0130 involving locks and walls at Chesapeake and Ohio Canal National Historical Park.
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Text version
CHOH – 245002 & 287711 01 32 33 - 1
012721 PHOTO DOCUMENTATION
CHOH 245002 & 287711
SECTION 01 32 33 – PHOTO DOCUMENTATION
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes administrative and procedural requirements for:
1. Existing condition images
2. Periodic construction images
B. See Section 01 77 00 "Closeout Procedures" for a complete listing of closeout documents.
C. See Section 01 79 00 "Demonstration and Training" for submitting videotapes of demonstration of equipment and training of National Park Service (NPS) personnel.
1.2 SUBMITTALS
A. Construction Images: Submit images electronically within 7 days of taking the image. Include:
1. Date, time and number (sequentially number all images) in filename.
2. Description of vantage point, indicating location, direction (by compass point), and elevation or story of construction.
3. Submit digital images exactly as originally recorded in digital camera, without alteration, or modifications using image-editing software.
B. Closeout: Submit complete set of digital image electronic files as a Project Record Document.
Submit on Hard-drive or FTP as well as Digital Video Disc (DVD).
1. Provide index as separate file on Disc. List each image as a file name with number, date, and time. Include description and or vantage point image was taken.
2. Submit images that have the same aspect ratio as the sensor, un-cropped.
PART 2 - PRODUCTS
2.1 FORMAT REQUIREMENTS
A. Media: DVD-R Archival Gold.
B. Media Labels: Archival DVD labeling markers, archival labels, or direct print.
CHOH – 245002 & 287711 01 32 33 - 2
012721 PHOTO DOCUMENTATION
C. Images: Provide sRGB (standard Red Green Blue) color images in JPEG (Joint Photographic Experts Group) format. Minimum sensor size of 8 megapixels, and at image resolution of not less than 3200 by 2400, and 300 dpi (dots per inch).
PART 3 - EXECUTION
3.1 CONSTRUCTION IMAGES
A. General: Take digital images using the maximum range of depth of field, in-focus, to clearly show the Work. No blurry or out-of-focus areas accepted.
1. Maintain index with each set of Construction images and identify the number, date, time, and description for each.
2. Maintain one set of images accessible in field office at Project site available for reference.
B. Existing Condition Images: Before and when starting construction, take color digital images of Project site and surrounding properties, including existing items to remain during construction, from different vantage points.
1. Flag and construction limits before recording construction images.
2. Take a minimum of 10 separate images at each individual work area to show existing conditions adjacent to property before starting Work.
3. Take a minimum of 14 images of existing buildings either on or adjoining property to accurately record physical conditions at start of construction.
4. Include horizontal and vertical scales for reference.
5. Include photos of walls before vegetation is removed as well as after.
C. Periodic Construction Images: Take minimum of 25 color, digital images monthly, coinciding with cutoff date associated with each Application for Payment. Select vantage points to show status of construction and progress since last images were taken.
D. Additional Images: Contracting Officer may issue requests for additional images.
1. Three days advance, where feasible.
2. In emergency situations, take additional images within 24 hours of request.
3. Additional images include, but are not limited to:
a. Immediate follow-up when on-site events result in construction damage or losses.
b. Fabrication locations away from Project site.
c. Substantial Completion of a major phase or component of Work.
d. Extra record images at time of final acceptance.
e. Prior to anticipated heavy rainfall or flooding events.
END OF SECTION 01 32 33
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