Montgomery County · Upper Gwynedd · MCPC #11-0011-012
Merck NW2 BCR Project
351 Sumneytown Pike, Upper Gwynedd, PA · 46,250 sq ft non-residential, industrial · 91.75 acres
About this project
Merck Sharp & Dohme is proposing a new two-story, roughly 46,250 square foot building at the north end of its Upper Gwynedd campus, at the end of Louise Lane off Sumneytown Pike. It will hold refrigerated and freezer sample storage, two small labs, and some office space. The existing single-story building of about 16,500 square feet on the site will be demolished to make room for it.
County planning commission: Supports, with comments
Issues raised: Shrub species diversity: 52 spicebush shrubs require at least 4 species, Spicebush needs partial shade to survive on the site, Waiver requested for new sidewalk along Louise Lane, Future pedestrian connections within the Merck campus
- Applicant
- Merck Sharp & Dohme LLC
- Engineer / rep.
- Mainstay Engineering Group Inc
- Zoning
- LI
- Approvals needed
- variance, waivers
- Utilities
- public water, public sewer
- Demolition
- Existing 16,500 SF single-story building
Filing history
- 2025-03-11 · MCPC #11-0011-012 · Land Dev Plan, Prelim Plan · 46,250 sq ft
- 2021-09-16 · MCPC #11-0011-011 · Land Dev Plan, Prelim Plan · 73,951 sq ft
- 2021-02-16 · MCPC #11-0011-010 · Land Dev Plan, Prelim Plan · 22,852 sq ft
- 2020-11-13 · MCPC #11-0011-009 · Land Dev Plan, Prelim Plan · 102,000 sq ft
- 2020-08-13 · MCPC #11-0011-008 · Land Dev Plan, Prelim Plan · 40,580 sq ft
- 2019-05-02 · MCPC #11-0011-007 · Land Dev Plan, Prelim Plan · 18,800 sq ft
- 2018-08-31 · MCPC #11-0011-006 · SubDiv Plan, Prelim Plan
- 2016-11-29 · MCPC #11-0011-005 · Plan Only
- 2014-07-11 · MCPC #11-0011-004 · SubDiv Plan, Prelim Plan
- 2012-12-06 · MCPC #11-0011-003 · Land Dev Plan, Prelim Plan · 8,360 sq ft
- 2011-07-25 · MCPC #11-0011-002 · Land Dev Plan, Prelim Plan · 31,205 sq ft
County review letters
2025-03-11 · UGWYN 11-0011-012r.pdf
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Scope estimate for contractors
Estimated construction value: $6.0M
- ~231 roofing squares (assumes 2 stories)
- ~115 tons of cooling (rule of thumb 400 sq ft/ton)
- ~2.1 acres of site work (grading, stormwater, landscaping)
- Two bioretention areas for stormwater management
- Storm pipe connections to existing storm system and discharge to existing waterway
- Refrigerated and freezer cold storage fit-out
- Emergency generator with underground utilities
- Insulated metal panel, glass fiber reinforced concrete, and curtain wall exterior
- Loading docks on the west side