lims conditional assessment presentation; 4-9-14
TRANSCRIPT
LAUREL INTERMEDIATE / MIDDLE SCHOOL
CONDITIONAL ASSESSMENT
PRESENTED BY: JIM BAKER, P.E.
MACINTOSH ENGINEERING
APRIL 9, 2014
CONDITIONAL ASSESSMENT (1921 BUILDING ASSESSMENT)
•ROOF & FLOOR CONSTRUCTION
•ROOF CONSTRUCTION
•1ST & 2ND FLOOR FRAMING CONSTRUCTION
•INTERIOR & EXTERIOR BRICK WALLS
•INTERIOR BEARING WALLS
•EXTERIOR BEARING WALLS
•EXISTING STEEL LINTELS SUPPORTING BEARING WALLS
•EXISTING CONCRETE KNEEWALL
•ARCHITECTURAL FEATURES
•LIMESTONE COPING / ARCHITECTURAL FEATURES
•MISCELLANEOUS ITEMS
•ITEMS REQUIRING REMEDIATION
1921 ORIGINAL STRUCTURE
OVERALL BUILDING LAYOUT PLAN
ROOF & FLOOR CONSTRUCTION
EXISTING ROOF CONSTRUCTION
- SIGNS OF WATER INFILTRATION IN 2ND FLOOR CEILING
ROOF & FLOOR CONSTRUCTION
EXISTING ROOF CONSTRUCTION
- ANTICIPATE ROOF REINFORCING FOR NEW MECHANICAL
UNITS & PLUMBING
ROOF & FLOOR CONSTRUCTION
- ANTICIPATE NEW FLOOR OPENINGS
- REQUIRES REINFORCING OF EXISTING FLOOR FOR NEW
OPENINGS & FLOOR INFILL
- NEW MECHANICAL PIPING LOCATED IN
CORRIDORS
- WILL REQUIRE REINFORCING / STEEL PLUMBING SUPPORT
FRAME TO SUPPORT NEW PIPING
- CONCRETE REPAIR OF EXISTING FIRST FLOOR
- REPAIR OF EXISTING SPALLING CONCRETE SUPPORT
MEMBERS
- POTENTIAL REINFORCING OF EXISTING FLOOR
LOCATED UNDER CURRENT LIBRARY
- DEPENDENT ON FUTURE USAGE & EXISTING FRAMING
CAPACITY
1ST & 2ND FLOOR CONSTRUCTION
INTERIOR & EXTERIOR BRICK WALLS
- EXISTING AREAS OF HORIZONTAL & STEP CRACKING
- ANTICIPATE NEW OPENINGS IN EXISTING WALLS - FOR ADA ACCESSIBILITY & MECHANICAL OPENINGS
INTERIOR BEARING WALLS
INTERIOR BEARING WALLS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING HORIZONTAL CRACKING CONDITION
INTERIOR & EXTERIOR BRICK WALLS
EXTERIOR BRICK WALLS
- CRACKING AT EXTERIOR BRICK CHIMNEY LOCATION
INTERIOR & EXTERIOR BRICK WALLS
EXTERIOR BRICK WALLS
- EVIDENCE OF WATER INFILTRATION ON WALLS &
WINDOWS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING STEEL LINTELS
- CORROSION OF EXISTING EXTERIOR STEEL LINTELS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING STEEL LINTELS
STEEL LINTEL CORROSION CONDITION
INTERIOR & EXTERIOR BRICK WALLS
STEEL LINTEL CORROSION CONDITION
EXISTING STEEL LINTEL
INTERIOR & EXTERIOR BRICK WALLS
EXISTING CONCRETE KNEEWALL
- VERITICAL & OPEN CRACKS IN CONCRETE KNEEWALL
INTERIOR & EXTERIOR BRICK WALLS
VERTICAL CRACKS AT CONCRETE KNEEWALL
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- REQUIRES EXTENSIVE STRUCTURAL ASSESSMENT TO
BE PERFORMED TO DETERMINE CONDITION
- VERIFY FASTNERS OF LIMESTONE SECTIONS TO
EXISTING SUBSTRATE
- PERFORM SOUNDING TEST TO DETERMINE CONDITION
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- DETERIORATION OF LIMESTONE HEADER BLOCKS
ABOVE WINDOWS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- VERTICAL CRACKING IN LIMESTONE & DETERIORATED
JOINTS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- SPALLING AT LIMESTONE ARCHITECTURAL COLUMNS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- SPALLING / CRACKING OF LIMESTONE COPING &
DETERIORATED JOINTS
MISCELLANEOUS ITEMS
MISCELLANEOUS ITEMS REQUIRING REMEDIATION
- EXISTING PARAPET WALL REMEDIATION
- EXISTING STAIRS AT EAST AND WEST SIDES OF
BUILDING REMEDIATION
- EXISTING CONCRETE STAIRS ACCESSING BASEMENT
- EXISTING FRONT ENTRANCE STAIRS
SUMMARY
REQUIRED REMEDIATION ITEMS
- CONCRETE SPALLING AT FIRST FLOOR FRAMING
- BRICK WALL CRACKING
- WATER INFILTRATION AT WINDOWS & ROOF
- EXTERIOR CHIMNEY REMOVAL
- EXTERIOR STEEL LINTEL REPLACEMENT
- CONCRETE KNEEWALL CRACK REPAIR AT BUILDING
BASE
- REPAIR OF DELAMINATED LIMESTONE FEATURES
- AMOUNT OF REPAIRS DEPENDENT ON RESULTS OF AN
EXTENSIVE STRUCTURAL SURVEY
- REINFORCING OF PARAPET WALL
- EXISTING FRONT ENTRANCE AND BASEMENT STAIR
SUMMARY
ANTICIPATED STRUCTURAL RENOVATION ITEMS
- ROOF STRUCTURE REINFORCING FOR NEW MEP
SYSTEMS
- FLOOR STRUCTURE REINFORCING FOR NEW MEP
SYSTEMS
- NEW LINTELS SUPPORTING LARGER WALL OPENINGS
- NEW EXTERIOR RAMPS / STAIRS
- NEW ELEVATOR
- TOILET ROOM RENOVATIONS AND OTHER
MISCELLANEOUS CODE REQUIRED ROOM UPGRADES
QUESTIONS