Exhibit A
NASHUA 16314 — East Hollis & Bridge Street Intersection Improvement Project
Scope of Work and Task Descriptions
Amendment 1
September 30, 2021
Phase 2 — Preliminary Design
Phase 2A — Preliminary Plans and Estimate
Preliminary Plans will be developed based on the preferred alternative. These plans will include
the following sheets developed to a 60% level.
1. Title Sheet and Index
2. Standard Symbols Sheets
3. Typical Sections — Typical Sections of each roadway will be developed. These sheets
will indicate lane widths, shoulder widths, sidewalk treatments, cross slopes, curbing
materials, turf establishment, and pavement and base course depths.
4. Details — The following details are anticipated for this project:
Sidewalk ramp details
Drainage pipe and structures
Water Mains, Valves, and Hydrants
Driveway
Curbing
Pavement Match
Lighting Foundation
Landscaping
Erosion Control
Sign Text Layout Sheets
5. Existing Conditions Plans — Plans will be completed at a scale of 1” = 20’. The plans will
include detail and notation of existing features including right-of-way (including existing
easements) and utilities.
6. General Plans — Plans will be completed at a scale of 1” = 20’. The plans will include
existing and proposed features, including such items as curbing, drainage, driveways,
right-of-way, and utilities. Notation of existing features will not be shown. The plans will
also include construction notes and limits of temporary easements. Separate drainage
and utility plans are not anticipated.
7. Profiles — Roadway profiles at a scale of 1” = 20’ horizontal to 1” = 4 vertical scale will
be prepared indicating the centerline profile of each roadway. These sheets will be
separate from the general plans.
8. Pavement Layout Plans — Plans will be completed at a scale of 1” = 20°. The plans will
include horizontal geometry, lane and shoulder widths, and limits of curbing. Sidewalk
widths and geometry will also be included. Curb marks and curb summary tables will be
added to these plans as part of the PS&E submission.
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