Gross floor area: 320,200 SF | Renovation budget $550M | Renovation cost: $1447/sqft
The Warren Tower renovation project uses a two-car personnel and materials hoist to move construction workers, equipment and materials. Tower A is complete. Tower B is scheduled for completion in August 2027. Tower C is scheduled for completion in August 2028.
It’s #SmallBusinessSaturday so to celebrate, BU student Hermela Haile (@BUQuestrom’25) showed us some of her favorite local businesses in and around BU’s campus. Check it out! 👇
Tag some of your favorite local businesses! ❤️ ⬇️ https://t.co/ThzolyGvnJ— Boston University (@BU_Tweets) November 30, 2024
National Standards | Construction Hoists
| Standard | Subject | Official Link |
|---|---|---|
| 29 CFR 1926.552 | OSHA requirements for material hoists, personnel hoists and elevators | OSHA §1926.552 |
| ANSI/ASSP A10.4-2025 | Safety requirements for personnel hoists and employee elevators on construction sites | ANSI A10.4-2025 |
| ANSI/ASSP A10.5-2020 | Safety requirements for material hoists | ANSI Construction Standards |
| 29 CFR 1926, Subpart M | Construction fall protection, including work around exposed edges and openings | OSHA Construction Standards |
OSHA §1926.552 addresses hoistway enclosures, tower anchorage, safety devices, inspections and testing.
For personnel hoists, OSHA requires inspection and testing before initial use and at intervals not exceeding three months.
Massachusetts Regulations | Construction Hoists
| Regulation | Subject | Official Link |
|---|---|---|
| 524 CMR 36.00 | Personnel hoists and employee elevators on construction and demolition sites | Massachusetts 524 CMR 36.00 — PDF |
| 524 CMR 37.00 | Safety requirements for material hoists | Massachusetts Elevator Regulations |
| 524 CMR 35.00 | Safety code for permanent elevators and escalators, including Massachusetts modifications | Massachusetts 524 CMR 35.00 — PDF |
| 780 CMR, Chapter 30 | Elevators and conveying systems under the Massachusetts State Building Code | Massachusetts Building Code, Chapter 30 |
| 230 CMR 6.00 | Hoisting machinery operation and operator licensing, where applicable | Massachusetts Hoisting Regulations |
Massachusetts 524 CMR 36.00 incorporates ANSI/ASSE A10.4-2016, with state-specific modifications.
The national consensus standard has since advanced to ANSI/ASSP A10.4-2025.





