GOGA 244458 & FOPO 186401 Construct Bike Path at W

GOLDEN GATE NATIONAL RECREATION AREA PRESIDIO OF SAN FRANCISCO Construct and Install Improvements to West Bluff Trail/Arrival Area GOGA PMIS 244458 TECHNICAL SPECIFICATIONS NATIONAL PARK SERVICE (NPS) DENVER SERVICE CENTER (DSC) July 2025 -- 1 of 93 -- GOGA – 244458 Professional seals by Design Professionals and others responsible for preparing Construction Documents: Civil Engineer Structural Engineer L I C E N S E D P R O F E S SIO N A L E N G I N EE R S T A T E O F C A L I F O R N I A C I V I L K Y L E D A V I D C H I L D E R S  -- 2 of 93 -- GOGA – 244458 TOC - 1 Table of Contents Number of Pages Division 02: Existing Conditions 02 41 13 Selective Site Demolition ................................................................................................... 4 Division 03: Concrete 03 30 00 Cast-in-Place Concrete ..................................................................................................... 17 Division 31: Earthwork 31 10 00 Site Clearing ....................................................................................................................... 3 31 20 00 Earth Moving .................................................................................................................... 14 31 25 00 Erosion and Sediment Control ............................................................................................ 4 Division 32: Exterior Improvements 32 12 16 Asphalt Paving .................................................................................................................... 9 32 13 20 Site Concrete ..................................................................................................................... 10 32 14 00 Unit Paving ......................................................................................................................... 6 32 17 00 Paving Specialties ............................................................................................................... 6 Division 33: Utilities 33 40 00 Storm Drainage Utilities ..................................................................................................... 8 Division 34: Transportation 34 71 13 Guardrails............................................................................................................................ 3 -- 3 of 93 -- GOGA ñ 244458 02 41 13 - 1 12/20/24 SITE SELECTIVE DEMOLITION SECTION 02 41 13 ñ SITE SELECTIVE DEMOLITION PART 1 - GENERAL 1.1 SUMMARY A. This Section includes the following: 1. Sawcutting and removal or recycling of existing asphalt concrete pavement. 2. Removal and salvage of existing site features. 3. Demolition, removal, and disposal of existing site features. B. Related Sections include the following: 1. Section 01 57 23 ñ Under-an-Acre Pollution Prevention 2. Section 31 10 00 ñ Site Clearing 3. Section 31 20 00 ñ Earth Moving 4. Section 31 25 00 ñ Erosion and Sediment Controls 1.2 DEFINITIONS A. Remove: Remove and legally dispose of items except those indicated by the Contracting Officer (CO) to be salvaged, reused, reinstalled, or to remain on Park property in a location approved of by the CO. B. Remove and Store for Reinstallation: Remove items indicated; clean, service, and otherwise prepare items for reuse; store and protect against damage. Reinstall items in locations indicated in the plans and specifications or as directed by the CO. C. Existing to Remain: Protect items identified to remain against damage and soiling during demolition. When permitted by the CO, items may be removed to a suitable, protected storage location during demolition and then cleaned and reinstalled in their original locations. D. Abandon: Abandon items indicated. Leave items in place and abandon as specified. 1.3 MATERIALS OWNERSHIP A. Except for items or materials indicated to be reused, salvaged, or otherwise indicated to remain on the Park property, demolished materials shall become the Contractorís property and shall be removed and legally disposed of at the Contractorís expense. B. Materials for removal and reinstallation: 1. The following materials shall be removed, cleaned, and prepared for reinstallation at the project site as shown and specified. -- 4 of 93 -- GOGA ñ 244458 02 41 13 - 2 12/20/24 SITE SELECTIVE DEMOLITION a. Parking meter b. Signage c. EV charging stations d. Electrical Panel e. Belgian block pavers f. Landscape boulders g. Bike parking loops h. Parking area lights i. Trash receptacle C. Materials for removal and disposal: 1. The following materials shall be removed from the site and legally disposed of. a. Asphalt pavement b. Concrete pavement c. Pavement striping d. Concrete curbing e. Aggregate surfacing f. Excess excavated material g. Concrete and rubber wheel stops h. Signage as shown i. Bollards 1.4 QUALITY ASSURANCE A. Comply with the local noise ordinances regarding hours of operations and allowable noise levels. Monitor vibrations generated by the demolition activities and received by the existing structures in the immediate vicinity of the project. 1.5 SCHEDULING A. Notify the Contracting Officer 48 hours prior to beginning demolition work. B. Contractor shall coordinate underground utility location prior to beginning demolition work. Contractor is responsible for verifying location of underground utilities. PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION 3.1 UTILITY SERVICES A. Utility requirements: Locate, identify, disconnect, and seal or cap off indicated utility services where indicated. 1. Arrange to shut off indicated utilities with utility companies. -- 5 of 93 -- GOGA ñ 244458 02 41 13 - 3 12/20/24 SITE SELECTIVE DEMOLITION 3.2 PREPARATION A. Install erosion and sediment control measures, as specified in Section 31 25 00 ñ Erosion and Sediment Controls, prior to demolition. B. Install site protection fencing, as specified in Section 01 50 00 ñ Temporary Facilities & Controls, prior to demolition. C. Conduct demolition operation…