ACCESSIBILITY STANDARDS Accessibility and the "20% Rule" Changes in Floor Elevation Maneuvering Clearances for Doors Ramps Stairs Parking Spaces Accessible Rest Rooms: General Bathrooms Fixtures, faucets and fixture fittings Lavatories and sinks Water closets/toilet compartments Urinals Grab bars Bathtubs Showers Single Occupancy Toilet Room: Floor Plan Examples FIREPLACE/CHIMNEYS How far does a chimney have to extend above a roof? What are the requirements for clearances from combustible framing members to masonry fireplaces/chimneys? What are the requirements for hearths and hearth extensions? What are the required clearances to combustible woodwork and mantels around a fireplace opening? Does a fireplace require an exterior air supply? What are the requirements for factory built fireplaces? What are the requirements for factory built fireplace stoves (wood burning stoves)? What are the minimum requirements for corbeling of masonry chimney walls? Diagram of general code requirements for masonry fireplaces and chimneys. FOUNDATION/SITE WORK What is a “Foundation Only” permit and why did I receive one when I filed for a full Building Permit? What do I do if concrete footings have been placed and I failed to request the required inspection or failed to get the approval to pour the concrete? What is the minimum footing depth for Greenwich? What is the load bearing value of different types of soils? Unreinforced Foundation Wall Design Crawl Space Ventilation How close can an underground pipe or conduit be to footings? BUILDING/STRUCTURAL GENERAL How many layers of roofing are allowed on a dwelling and when do I need a Building Permit? What is an "egress window"? What are the requirements for smoke detectors in a dwelling? When and how does an attached garage have to be separated from a dwelling? When is glazing required to be safety glass? What are the minimum ceiling height requirements in a dwelling? How do I figure minimum ceiling heights in an attic for a habitable room? What is a one-hour dwelling unit separation in a 2-family dwelling? STAIRS/RAILINGS What are the requirements for handrails and guardrails in a dwelling? Are stair winders permitted in a dwelling? Are spiral stairs permitted in a dwelling? Are circular stairs permitted in a dwelling? FRAMING How do I properly firestop wood frame construction? What are the requirements for notching and boring standard floor and ceiling joists? What are the requirements for notching and boring studs in exterior and bearing walls?