- 197′ main boom
- 56′ two stage jib
- Jib off-sets to 40 degrees
Steam Plate Heat Exchanger HESF-1000
Indirect Fired Gas Heater – Model VG1000
Portable Heat Exchanger – Model 200»Specifications
Electric Heater – Model P900
Indirect Fired Gas Heater – Model VG400
Indirect Fired Heater – Model FVO-400RCBT
Indirect Fired Heater – Model FVO-400RC
Electric Heater – Model P1500
Alimak Scando 650
The Alimak Scando 650 is the world’s most popular construction hoist concept, and the best choice for efficient construction logistics. The modular system offers flexibility, efficiency, safety, productivity, and low energy consumption.
Indirect Fired Gas Heater – Model VG700
Indirect Fired Heater – Model VF700
Portable Heat Exchanger – Model 80»Specifications
Indirect Fired Heater – Model VF900
Hoist control option:
The Aluma Beam has a constant depth of only 165mm (6.5 in.). It contains a 2″ x 2″ plastic nailer strip which is formulated to provide nail gripping. The Aluma Beam has a T-Head Bolt slot in its base for fastening stringers, strong-backs or I-Beams with the easy-to-use self-locking A-Bolt. Call for available lengths up to 24’.
The Aluma Stringer is stronger and deeper than the Aluma Beam. It is 190 mm (7.5 in.) deep and permits larger spans between intermediate supports. It provides structural strength comparable to a 152mm x 304mm (6 in. x 12 in.) spruce member but has only one third the weight.
DBI Sala Concrete Wedge Anchor
Dayton Richmond B-13 Coil Nut
Dayton Richmond B-25 Heavy Coil Nut
The Bisomac Traction Hoist for Suspended Platforms – Bisomac210
|Platform Capacity||1,000 lb (453.5 kg)||1,000 lb (453.5 kg)|
|Working Height||150 ft (42.75 m)||170 ft (51.8 m)|
|Max. Vertical Platform Height||145 ft (44.19 m)||165 ft (50.3 m)|
|Elbow Articulation||158 degrees||154 degrees|
|Column Articulation||83 degrees||79 degrees|
|Max. Horizontal Reach||71 ft (21.64 m)||74 ft 8 in. (22.7 m)|
Marr offers a wide variety of temporary seating systems for all types of events.
In house planning and design services are available. We take pride in our ability to work with customers to find the most cost-effective solution to meet the budgetary needs of a project or event.
A sampling of projects include:
The Delta™ Vest-Style Harness is equipped with first-class industry advancements. Delta™ harnesses are durable and made with a patented triangular design that makes them easy to take on and off quickly. We carry model #s: 1102000 (shown here), 1101252 & 1101253
By adding a Double Deck Kit, the standard Altrex Modular Platform system can be configured into a multi-level platform, which allows workers simultaneous access on different levels. A ladder type frame is connected at each end of the platform. By using the trapdoor in the upper deck, the workers can safely climb from one level to the other via the ladder with safety cage. The configuration of each platform level should be the same.
Advantages of the double deck kit:
CHUTES International’s DURAFLAT™ system was designed to meet lightweight, economical construction debris removal needs.
The DURACHUTE™ system is the choice system for roofers, scaffolding, general contractors, and construction rental companies.
The blow-molding process makes a more resilient chute than any other on the market. The upper and lower rings add extra stability, so that the system maintains its shape regardless of the length of the system and the larger 32” diameter makes for efficient and effective debris removal.
In addition to straight sections and intakes, DURACHUTE™ has a complete line of accessories to provide for a safe and easy installation:
CHUTES carries a full line of accessories including:
Debris Netting and Light Scaffolding Sheeting
Marr Engineering is a full service engineering department that will satisfy all of your project’s engineering requirements from conception and cost analysis to final design over a wide range of construction products such as shoring, scaffolding, mast climbers and swing staging. We provide Shoring, Scaffolding and Re-shoring layout CAD drawings with Engineer’s Approval and all necessary design calculations. If your project has special requirements, we can deliver custom solutions that take advantage of our experience, knowledge, product lines and custom manufacturing capabilities.
One of our mandates is to work with our customers to develop new techniques to help to tackle even the most difficult of jobs, allowing the contractor to work faster, safer and save money. The objective is to enable our customers to take full advantage of new developments to improve both construction efficiency and quality on the job site. Here at Marr Engineering, we’re committed to providing the best services to help you achieve your goals.
All Marr foremen are required to be Competent Fall Protection and OSHA 30 trained. Other training includes:
The company’s E&D (erection and dismantling) expertise has been challenged many times over with unique building features ranging from the historic to the ultra-modern and we have met those challenges hands down. Scaffold erectors for nearly 70 years, Marr has accumulated knowledge and hands-on experience that has resulted in a cleverness for problem-solving and a strong competence in this area of construction. With each building project we encounter something new and we take away something that can be built upon for future application.
E&D services are utilized with a variety of building equipment including sectional scaffolding, systems scaffolding, suspended scaffolding, Hydro Mobile mast climbers, shoring, environmental protection and temporary bleacher seating.
The ExoFit™ Construction Style Positioning Harness is designed for comfort, made with a single piece of material that wraps around you in an X-shape. The ExoFit™ harness remembers your adjustments with only three snap buckles and has built-in pads for extra stable protection. We carry model #s: 1108500, 1108501, 1108502 & 1108507 (shown here)
The DBI-SALA® ExoFit™ XP Vest-Style Climbing Harness is equipped with all of the features of the ExoFit™ harness with 3-D mesh lining that ventilates and cools you as you work. The ExoFit™ XP harness is lightweight and durable to help you deliver first-rate performance. We carry model #s: 1101326, 1101327, 1109726C & 1109727C
The M Series is well-suited for facade work requiring high capacity, whether for new construction or restoration. Numerous accessories are available including Weather Protection.
M-Series 24′ Unit
Monarflex Super T-Plus Flamesafe Scaffold Sheeting
Monarflex Super T-Plus Flamesafe Scaffold Sheeting offers protection for projects in high-risk areas. This product incorporates a unique flame retardant formulation in the blown film that minimizes the risk of fire propagation. It also provides enclosure for storage areas and the worksite perimeter and debris containment for greater safety.
Special Accessories include:
Electric Heater – Model P1800-1 & P1800-3
Electric Heater – Model P4000
Electric Heater – Model P6000
16 Ft. Rolling Roof Rig System
24 Ft. Rolling Roof Rig System
24 Ft. Rolling Roof Rig System
This free standing system does not require engineered points or surface penetration.
It has built-in rail and toe-board receptacles that allow for infinite configurations.
A rubber pad provides skid resistance and protects the roof surface.
Components include galvanized bases; six, eight and 10-foot rails plus gates and hatch kits.
Whether you are setting up the guardrail around the perimeter of a roof or closing a wall opening, the unlimited configurations offered by the system will easily accommodate your needs.
Ideal for use with floor hatchways or chutes, leading edges, skylights, truck or rail docks, floor or wall openings, pits, shafts, manholes and more.
Is adaptable to many applications.
Marr has been building permanent grandstand installations with skillful design and expertise gained from over 50 years of experience. New installations outfit Boston area high schools and universities, as well as professional team stadiums.
Notable projects include:
Protect FIRST™ Vest-Style Harness is a full body harness built with exceptional quality to ensure durability and fit, as well as provide a safe connection point to your fall arrest system. We carry model #s: AB17530C (shown here), AB17530C-XL & AB17550C.
The Protecta PRO™ Construction Style Positioning Harness incorporates improved fit, durability and lightweight construction. PRO™ harnesses provide greater comfort and added safety to help increase worker productivity and decrease fatigue. We carry model #s: 1191209C, 1191210C, 1191383C (for welding) & 1191384C (for welding)
Marr’s Bleacher Restoration Program provides a solid solution to schools and communities who are in need of new facilities but are unable to afford new construction. For many facilities, a renovation of the existing seating systems can be achieved at a reasonable cost. Important safety and code compliant upgrades can be completed at a fraction of the cost of new construction.
Upgrades may include:
Photos: The bleacher and press box restoration project at Dean College, Franklin, MA
Marr’s Rigging Division provides full rigging services and is a natural extension of the construction services provided by Marr’s crane, steel erection and scaffold companies. Having rigged our own jobs, hoisting equipment and placing machinery for years, Marr decided in 1993 to offer the service to customers to provide a more comprehensive range of services.
Today, Marr provides the rigging, installation of equipment, and off-loading services as well as local indoor and outdoor storage of equipment in three locations. The ability to warehouse equipment, machinery and materials is crucial to meeting the needs of customers who oftentimes receive equipment orders far in advance of installation. Marr Rigging has a capacity of 25,000 square feet for indoor storage and 25,000 square feet for outdoor storage space.
Breault GripStrip planks are usable in all applications. These planks are applied with advanced performance waterproof end sealer. Standard and custom sizes and lengths are available. Precision mitered corners reduce end shear and make handling easier and installation faster. Hydraulically pressed pins eliminate/reduce end splits.
Proof Loading Solid Sawn DI65 Scaffold Plank»Specifications
Sectional Frame Scaffold provides assistance, flexibility and access to almost every type of scaffold project. Quality-constructed steel tubing make Sectional frames some of the strongest, most dependable scaffold in the industry. Commonly referred as Masonry scaffold or “frame & brace” sectional scaffold has a full range pf components including:
Marr stocks the DBI Sala Nano-Lok™ SRL with Twin Leg Connector and the Nano-Lok Edge. The Nano-Lok is ergonomically designed for ease-of-use and is ideal for direct connection to most harnesses. Marr also stocks the PROTECTA Rebel™ Self Retracting Lifeline.
Nano-Lok™ SRL with Twin Leg Connector
PROTECTA Rebel™ Self Retracting Lifeline
DBI Sala EZ-Stop™ II shock absorbing lanyards are designed for versatility.
SBN-324 Debris Netting in FR Black
Corner sections can be used to follow the contours of the structure precisely and allow access within 30 to 60 cm. of the working surface.
Fixed Corner Sections
Systems Scaffolding is a fast-erecting modular scaffolding system made of galvanized steel. It provides an opportunity to achieve high-productivity on irregular structures and restricted entry situations. Posts and horizontals make up the two principle components and their connecting hardware is permanently set in place. Each post is fitted with 360° ring sets spaced 21″ apart. Systems can utilize OSHA grade wood plank and/or its own steel hook on plank that comes in lengths from three feet to 10 feet.
Marr offers a wide range of temporary seating systems for all types of events.
In-house planning and design services are available.
We take pride in our ability to work with our customers to find the most cost-effective solution to meet the budgetary needs of a project or event.
A sampling of projects include:
Above: Quabbin Regional High School Graduation
At left, top: Navy Week, Tall Ships, Boston, MA
At left, bottom: Reebok Crossfit East Coast Championships