Categorical Exclusions

​​​​To further transparency and openness in its implementation of the National Environmental Policy Act (NEPA) process, the Presidio Trust documents its Categorical Exclusion (CE) determinations involving the categories of actions identified in Section 1010.7 of the Trust’s NEPA regulations. The CE database may be searched by planning district, project type, CE applied, or the year initiated.​​ The database is updated approximately monthly. For additional information on the Trust’s NEPA compliance program, email N2@presidiotrust.gov.
 
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Project Description
Project Number18-004
Project NameBuilding 1332 Addition and Site Improvements
Planning DistrictEast Housing
Project TypeRehabilitation/TI
CE AppliedRehabilitation or improvement of historic properties
CE Date11/6/2017
Project Description
The residential tenant at Building 1332 (General’s House, built 1943), located on Wright Loop in an area south of the Kobbe residential neighborhood, proposes to construct a new approximately 790 square-foot rear addition (southeast corner) to the historic structure and make minor exterior improvements. The new addition is a one-story steel, wood and glass addition located just south of the living room and includes areas designated for lounging, dining and playing. The proposed addition has been positioned and designed to minimize impacts to the historic structure and limit visibility from the public. The proposed exterior improvements include repaving of the existing concrete patio, replacement of a non-historic brick walkway with a new paved walkway off the addition, new lighting, a small trash receptacle enclosure near the garage, and new plantings and irrigation adjacent to the new addition. The building addition represents a new element in the landscape that is intended to be subordinate to, and contemporary and compatible with, the structure, while also being fully reversible. The patio improvements retain the original configuration while modifying the existing steps and patio surface to accommodate revised circulation and level changes and improve a concrete slab in poor condition.
 
Project Number18-003
Project NameWest Pacific Avenue Drainage Upgrades
Planning DistrictSouth Hills
Project TypeMaintenance
CE AppliedRoutine maintenance and property and resource management
CE Date10/18/2017
Project Description
This project will improve drainage conditions along West Pacific Avenue between Walnut Street and Laurel Street and protect the new drain inlet/storm water system constructed for the Paul Goode Field renovation (project 15-023). A shallow (approximately 5-inch) 400-foot long trench will be excavated and drain rock/perforated pipe will be installed.  The finished surface will include a new paved runnel adjacent to the existing roadway, and a compacted permeable aggregate base surface between the runnel and the historic boundary wall.  Plywood sheathing suspended from the top of the wall will protect the park-facing surface during construction, and the compacted drain rock will be set back from the wall to accommodate the irregular surface and avoid damage.
 
Project Number18-002
Project NameBuilding 97 Minor Tenant Improvements
Planning DistrictMain Post
Project TypeRehabilitation/TI
CE AppliedRehabilitation or improvement of historic properties
CE Date10/10/2017
Project Description
Recently vacated Building 97 (Red Cross Headquarters, built 1941) has been used for offices and needs updating for a new tenant. Exterior work will include painting and new gutters and downspouts. Four non-historic aluminum windows on the south elevation will also be replaced with wood casement windows to match the existing historic windows. All other windows are original to the building and in good condition. Interior work will include painting, new flooring throughout (carpet and tile), new LED bulbs, new kitchen counter and removal of three non-historic partitions.
 
Project Number18-001
Project NameBuilding 1243 Minor Tenant Improvements
Planning DistrictFort Scott
Project TypeRehabilitation/TI
CE AppliedRehabilitation or improvement of historic properties
CE Date10/5/2017
Project Description
The south end of the building 1243 (warehouse, built 1941) was previously used as office space but does not meet current code. Minor improvements will be made to the building in order to relocate Trust Special Events staff from building 1163 Gorgas Avenue. The majority of the new space will be used as warehouse storage for furniture, signs and other items used for event space rentals at the Presidio. The project scope includes new flooring, paint, fire/life/safety improvements, electrical work and plumbing.
 
Project Number17-051
Project NameFDS Section BR11-1 Investigation & Remediation
Planning DistrictMain Post
Project TypeRemediation
CE AppliedImprovements to meet disabled access requirements
CE Date9/22/2017
Project Description
In May 2017, a leaking fuel line was discovered during building maintenance beneath the concrete slab in the basement of building 127B Riley Avenue (project 17-036). It was determined that it was an abandoned-in-place subsurface portion of the former fuel distribution system (FDS) Section BR11-1, which supplied fuel to the residential buildings 127A/B, 128A/B and 129A/B on the west side of Riley Avenue. Per the Presidio-wide Petroleum Contingency Plan, the fuel pipe and its contents were removed and impacted soil was excavated to the extent feasible. Samplng indicates that soil contaminated with total petroleum hydrocarbons as diesel and napthalene remains in place beneath a majority of the basement slab and to a minimum depth of 7 feet below the slab. This project will further investigate impacts of the leaking FDS line in building 127B and conduct an indoor air assessment at the other units served by Section BR11-1. Tasks include: 1) interior basement soil and groundwater sampling (to a maximum depth of 30 feet) at building 127B to assess the vertical and lateral extent of soil contamination and possible impacts to groundwater; and 2) sub-slab vapor sampling at buildings 127A, 128A/B and 129A/B to assess if similar releases exists at these units and to evaluate vapor intrusion risk. Following vapor sample results, if necessary, indoor air sampling will be conducted as quickly as possible. If sample results indicate mitigation measures may be necessary, the Trust will prepare a remedial design and implement remedial action as quickly as possible. Buildings 127B and 128A remain vacant until further assessment and additional remediation, if needed, confirms indoor air does not pose a health hazard.
 
Project Number17-047
Project NameGorgas Avenue Warehouses and Administration Building Rehabilitation
Planning DistrictLetterman
Project TypeRehabilitation/Base Bldg
CE AppliedRehabilitation or improvement of historic properties
CE Date9/21/2017
Project Description
This project will rehabilitate and convert three NHL-contributing warehouses (1163, 1167 and 1170, built 1919) and an administration building (1160, built 1940) to a “warm shell” leasable office use. The buildings are situated in a row of six mostly identical structures constructed concurrently as a warehouse complex aligned with Gorgas Avenue at the eastern boundary of the Letterman district. Three of the six buildings in the complex were rehabilitated by the Trust/tenants in 2002-2004 and are occupied by various similar uses (fitness, health and wellness and office). The original floor plans for 1163, 1167 and 1170 were open plan warehouse; 1160 differs and was constructed as an administrative office. The buildings have undergone some alterations that have added partitions and/or connections to adjacent buildings to facilitate U.S. Army storage and office uses. With the exception of occasional use, the buildings have been mostly vacant since 1994. The buildings are all one-story, wood-frame structures on post/beam/pier foundations that require structural strengthening to meet the applicable codes. All of the existing plumbing, electrical, heating, fire alarm and life-safety systems are deficient and must be upgraded or replaced to meet use requirements and Trust standards. New window and skylight openings will re-establish existing openings that were covered over during the U.S. Army era, and allow for additional natural light in select areas. The rehabilitation approach retains all interior and exterior character defining features, and new elements (building systems, common area cores, restrooms, exterior ramps and circulation elements) are compatibly designed, consistent with the Secretary of the Interior’s Standards for Rehabilitation. Some building-specific site development, landscape, civil, site amenities and site lighting improvements will be reviewed as a separate project at a later date based on a master site plan developed for the larger Gorgas complex. The design provides for full accommodation per the ADA, and the rehabilitation aims to achieve LEED-NC certification for the core and shell (minimum: silver). The overall base building design and construction will result in fully rehabilitated and occupiable warm shell buildings with common core(s) and systems suitable for public, office, adult education, and health and fitness uses consistent with Presidio Trust land use planning, current applicable building codes and standards, and market factors. Tenant specific improvements to follow to accommodate the future tenants will be subject to additional environmental review.
 
Project Number17-050
Project NameBuilding 86 Suite 200 Minor Tenant Improvements
Planning DistrictMain Post
Project TypeRehabilitation/TI
CE AppliedRehabilitation or improvement of historic properties
CE Date9/1/2017
Project Description
The existing tenant of suite 200, building 86 (former barracks building, built 1862) will make minor improvements to accommodate its changing needs. The scope includes the removal of non-historic finishes, walls and light fixtures. Additional work items include the construction of a closet, selective window replacement, selective new data and power floor monuments, and replacement of the existing HVAC system using existing penetrations.
 
Project Number17-049
Project NamePlaygroup Site (Buildings 1818-1819) Storm Drainage Improvements
Planning DistrictPHSH
Project TypeInfrastructure
CE AppliedUpgrading or adding utilities
CE Date8/24/2017
Project Description
The storms of the last two winters have proved that the soil on the north side of rehabilitated building 1819 (project 14-029) percolate very poorly. The yard drains in the playground back up and pond, and it appears that the ground on the north and east sides of the building becomes saturated and contributes to the leakage through the foundation walls and into the basement offices. This drainage improvement project will install a solid wall 6-inch PVC storm drain pipe that will allow an existing 6-inch perforated infiltration pipe to drain directly into a combined sewer/storm drain manhole. Other improvements include installing a sump pump in the basement floor, waterproofing the north side of the building, replacing planters that have been trampled by children with decomposed granite, adding pavers, and filling in a small area with concrete to match the existing concrete sidewalk.
 
Project Number17-035
Project NameLiggett Avenue Connector Walk
Planning DistrictEast Housing
Project TypeRecreation
CE AppliedTrail development, relocation, or maintenance
CE Date8/22/2017
Project Description
The section of Liggett Avenue between Sumner Avenue and Lovers Lane is an important vehicle and pedestrian connection from Presidio Boulevard into the East Housing area. The road does not have sidewalks on either side and immediately adjacent to the curblines are slopes or narrow shoulders such that most pedestrians choose to walk in the roadway. This project will add a code compliant sidewalk along the western side of the road allowing for pedestrians to safely traverse the area from Lovers Lane to the existing sidewalk in front of residential building 540. Two mature eucalyptus trees will be removed.
 
Project Number17-045
Project NameFootpath behind Building 44 to Ecology Trail
Planning DistrictMain Post
Project TypeRecreation
CE AppliedTrail development, relocation, or maintenance
CE Date8/22/2017
Project Description
The education programs in buildings 49 and 50 occasionally take groups of school children from their facility up to the Ecology Trail. The most direct and car-free connection is a social trail up the slope between buildings 44 and 47. The trail behind building 47 becomes very steep as it passes over a storm water berm. The trail can be very slippery, especially during the wet months, resulting in accidents going up and down the slope. This project realigns the trail and avoids the steep slope by running in back of building 44 and then diagonally up the hill to the Ecology Trail. The trail will be no wider than a few feet, and will be either bare earth or woodchips. A small number of volunteer acacias will be removed and some low hanging branches of nearby trees will be pruned prior to construction.
 
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