Attachment Assignment 44 - Parking Study.pdf

To:

From:

Date:

Job No.:

RE:

Sohail Shah

Celine Saucier, PE

February 6, 2026

5218.020

North Las Vegas VAMC Parking Lot Strategy

CC:

Urgent For Review Please Comment Please Reply For Your Use

The purpose of this memo is to present a comprehensive parking study evaluating the existing parking inventory across the VA campus, with specific focus on Parking Lots A, E, and F, where both patient and employee parking appear to be underutilized or inefficiently configured. This assessment identifies opportunities for reconfiguration and targeted infill development to increase functional capacity and improve overall utilization.

Overall Site Map

North Las Vegas VAMC Parking Lot Strategy

Design Considerations

When evaluating potential infill opportunities within the existing parking lots, several key design considerations must be assessed to determine feasibility and long-term functionality. A careful review is required to ensure compliance with VA standards and to maintain safe, efficient traffic and pedestrian operations throughout the campus.

Standard Stall Geometry

According to the VA Parking Design Manual & Demand Model (April 2013), standard parking stalls must be 9 feet by 18 feet, with 24-foot two-way drive aisles serving perpendicular parking.

The use of reduced-width “small car” or “compact car” stalls is discouraged and should generally be avoided in new layouts or restriping concepts.

When incorporating infill parking, stall geometry should:

Maintain alignment with existing parking rows Create clean, consistent layouts free of awkward angles or dead-end pockets Preserve existing turning movements and circulation patterns Ensure that new or revised configurations integrate seamlessly with current traffic flow

These factors help ensure that infill improvements add capacity without compromising operational efficiency.

Site Grades and Slope Compatibility

Assessment of existing grades is critical in determining whether infill areas can accommodate standard parking geometry without extensive reconstruction.

Key slope considerations include:

Cross-Slope: Parking stalls should maintain a cross-slope of 1.5%–2%, supporting proper drainage and meeting ADA accessibility requirements for adjacent pedestrian routes.

Longitudinal Slope: Longitudinal slopes should typically remain below 5% to ensure comfortable maneuvering and safe vehicle entry/exit.

Grade Transitions: Infill areas must tie smoothly into surrounding pavement without creating abrupt grade breaks or ponding locations.

Earthwork/Structural Considerations: Areas with notable grade differences relative to adjacent pavement may require cut/fill adjustments, edge restraints, or subgrade improvements before paving or restriping.

Drainage and Stormwater Management

Drainage performance is a critical factor when modifying or expanding existing parking configurations.

Key considerations include:

Preservation of Flow Paths: Infill improvements must not obstruct established surface runoff patterns or restrict access to catch basins, drainage inlets, or swales.

Positive Drainage: All reconfigured pavement areas must maintain or improve positive drainage to prevent standing water, which may require minor grading, milling, or installation of localized drainage structures.

Stormwater System Compatibility: Any infill that increases impervious area or modifies drainage direction must be evaluated for compatibility with the existing stormwater management system and underlying capacity constraints.

Effective drainage planning helps preserve pavement longevity and ensures the improved parking areas remain functional throughout their service life.

Opportunities for Infill

The existing parking lots contain several locations where unused landscape areas create opportunities to increase parking capacity through targeted infill. These improvements can typically be implemented with minimal impact to existing circulation and without requiring major reconstruction or expansion of the overall paved footprint. Using the design considerations outlined above, the site was evaluated to identify specific infill locations that could accommodate additional stalls while maintaining safe, functional, and efficient traffic and pedestrian operations. See below images of potential areas for parking infill.

North Parking Lot A – 2 potential spaces in landscape Island

North Parking Lot A – 2 Potential Spaces in Landscape Island

Landscaping Between Parking Lot A and F – 41 potential spaces with new pedestrian path and drive aisle

Parking Lot E – 3 Potential Spaces in Landscape Island

Parking Lot E – 13 Potential Spaces in Landscape Island

Based on the evaluation of existing pavement geometry, circulation patterns, and design criteria, the analysis identified multiple feasible infill locations across Parking Lots A, E, and F. By strategically restriping underutilized landscape areas the site can accommodate a total of 61 additional parking stalls without requiring major redesign of the parking lot intent.

These improvements enhance overall capacity while maintaining compliance with VA design standards and preserving safe, functional vehicle and pedestrian circulation. The identified infill opportunities provide a cost-effective means to increase both patient and employee parking.