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Avatar for Kiro Engineering, LLC

Kiro Engineering, LLC

4.85(
69
)
Approved Pro

Kiro Engineering, LLC

4.85(
69
)
Approved Pro
Customers say: Terrific value
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
14 years of experience

Structural Engineering Inspection, Assessment, and Design: Offering a Range of Options to Fit Your Budget. Our services include Structural Engineering, foundation design, and Evaluation Services, covering Crack Evaluation, Diagnostics, and Mapping, as well as Foundation Walls Damage Diagnostics, Structural Shoring, and Helical Piles Design. We handle Remodeling projects, Forensic Engineering, and Demolition Plans. Our licensed Engineers, including special inspectors in Philadelphia and New York City, are based in Hamilton, NJ, serving Central and all South Jersey, Philadelphia District, Bucks County (PA), Allentown, and Wilmington (DE). Visit our website for more information: http://www.kiroengineering.com. For reviews and credentials, take a look at our Home Advisor profile here: tinyurl.com/HomeAdvisorKiroEngineering. Protect your investment by enlisting the expertise of a professional engineer here at Kiro Engineering.

"Meena took his time and throughly explained what has to be done to our home to improve living conditions. Not only did he not try to over sell us on products that were not necessary he steered us in the right direction which was greatly appreciated in these tumultuous financial times. We are extremely satisfied with his work."

Dennis M on August 2024

Structural Engineering Inspection, Assessment, and Design: Offering a Range of Options to Fit Your Budget. Our services include Structural Engineering, foundation design, and Evaluation Services, covering Crack Evaluation, Diagnostics, and Mapping, as well as Foundation Walls Damage Diagnostics, Structural Shoring, and Helical Piles Design. We handle Remodeling projects, Forensic Engineering, and Demolition Plans. Our licensed Engineers, including special inspectors in Philadelphia and New York City, are based in Hamilton, NJ, serving Central and all South Jersey, Philadelphia District, Bucks County (PA), Allentown, and Wilmington (DE). Visit our website for more information: http://www.kiroengineering.com. For reviews and credentials, take a look at our Home Advisor profile here: tinyurl.com/HomeAdvisorKiroEngineering. Protect your investment by enlisting the expertise of a professional engineer here at Kiro Engineering.

"Meena took his time and throughly explained what has to be done to our home to improve living conditions. Not only did he not try to over sell us on products that were not necessary he steered us in the right direction which was greatly appreciated in these tumultuous financial times. We are extremely satisfied with his work."

Dennis M on August 2024


Avatar for Glenwood Engineering, LLC

Glenwood Engineering, LLC

4.65(
144
)
Approved Pro

Glenwood Engineering, LLC

4.65(
144
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
9 years of experience

We are a trusted structural and architectural design firm specializing in a wide range of structural design and spatial planning projects. Committed to excellence, we consistently strive to exceed expectations in every aspect of our work. Our goal is to build lasting relationships with our clients, and we stand behind our work with a satisfaction guarantee

"Customer service was great, turnaround was very quick and efficient, price was also very affordable comparatively."

Vasily G on January 2025

We are a trusted structural and architectural design firm specializing in a wide range of structural design and spatial planning projects. Committed to excellence, we consistently strive to exceed expectations in every aspect of our work. Our goal is to build lasting relationships with our clients, and we stand behind our work with a satisfaction guarantee

"Customer service was great, turnaround was very quick and efficient, price was also very affordable comparatively."

Vasily G on January 2025


F & D Development Company, Inc.

4.71(
55
)
Approved Pro

F & D Development Company, Inc.

4.71(
55
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
35 years of experience

Turning Dreams into Reality. Your home may well be the most complex, interesting, and expensive project you'll ever undertake. Architectural designers are educated to help you define your needs, present options you may never have considered, and help you get the most for your valuable investment. There is a certain magic that can be seen and felt in homes created through the close working relationship between owner and designer. At F & D Development Company, Inc., we've been specializing in residential architecture since 1990. We listen carefully to our clients and strive to integrate your needs and dreams with your budget. We work with each of our clients to create a total home environment, both interior and exterior that is visually interesting and exciting as well as functional. We provide a range of residential architectural services to clients from complete architectural services for a new home to assistance with additions and remodeling.

"Prompt service, timely arrival. I expected a more extensive report but nonetheless it was short and to the point."

Janet G on March 2023

Turning Dreams into Reality. Your home may well be the most complex, interesting, and expensive project you'll ever undertake. Architectural designers are educated to help you define your needs, present options you may never have considered, and help you get the most for your valuable investment. There is a certain magic that can be seen and felt in homes created through the close working relationship between owner and designer. At F & D Development Company, Inc., we've been specializing in residential architecture since 1990. We listen carefully to our clients and strive to integrate your needs and dreams with your budget. We work with each of our clients to create a total home environment, both interior and exterior that is visually interesting and exciting as well as functional. We provide a range of residential architectural services to clients from complete architectural services for a new home to assistance with additions and remodeling.

"Prompt service, timely arrival. I expected a more extensive report but nonetheless it was short and to the point."

Janet G on March 2023


Avatar for NEC Solutions, LLC

NEC Solutions, LLC

5.00(
11
)
Approved Pro

NEC Solutions, LLC

5.00(
11
)
Approved Pro
Customers say: Quick response
10 years of experience
Free onsite estimate

NEC Solutions LLC is a licensed Pennsylvania Civil & Structural Engineering firm with over 5 years of experience. (Direct :610-888-9818) We offer complete services for residential and commercial projects, from design to permitting and construction. Civil Services: Soil testing for septic systems, site surveys, contour mapping, stormwater design, and construction layout. Structural Services: New construction design, additions, structural drawings for permits and construction, foundation design/calculations, foundation and deck inspections, evaluations for renovations, solar panel permits with load calculations. Drafting Services: CAD drafting, 3D modeling, quantity takeoffs, permit packages. Permit Services: City of Philadelphia L&I permits, PennDOT HOP permits, full township coordination. We ensure accuracy, code compliance, and professional service on every project. Website: www.necsolutions.us Email: [email protected] Mobile: 610-888-9818

"Dee is a solid guy and excellent engineer. My project required him to design and create the engineering specs to navigate our town's permitting process. His thoroughness exceeded my expectations. I recommend and trust Dee on any future project."

Michael M on October 2025

NEC Solutions LLC is a licensed Pennsylvania Civil & Structural Engineering firm with over 5 years of experience. (Direct :610-888-9818) We offer complete services for residential and commercial projects, from design to permitting and construction. Civil Services: Soil testing for septic systems, site surveys, contour mapping, stormwater design, and construction layout. Structural Services: New construction design, additions, structural drawings for permits and construction, foundation design/calculations, foundation and deck inspections, evaluations for renovations, solar panel permits with load calculations. Drafting Services: CAD drafting, 3D modeling, quantity takeoffs, permit packages. Permit Services: City of Philadelphia L&I permits, PennDOT HOP permits, full township coordination. We ensure accuracy, code compliance, and professional service on every project. Website: www.necsolutions.us Email: [email protected] Mobile: 610-888-9818

"Dee is a solid guy and excellent engineer. My project required him to design and create the engineering specs to navigate our town's permitting process. His thoroughness exceeded my expectations. I recommend and trust Dee on any future project."

Michael M on October 2025


Avatar for EHM

EHM

4.50(
16
)

EHM

4.50(
16
)
Customers say: Quality work
71 years of experience

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021


Avatar for Hanover Engineering Associates Inc

Hanover Engineering Associates Inc

5.00(
4
)

Hanover Engineering Associates Inc

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Hanover Engineering is an employee-owned engineering firm which has been providing engineering services & designs for over 40 years. We proudly serve our clients & the community with eight offices throughout Pennsylvania. Our commitment to exceptional service and lifelong relationships results in improvements to our community and our natural surroundings—engineering solutions that are sustainable, cost-effective, and environmentally responsible.

Hanover Engineering is an employee-owned engineering firm which has been providing engineering services & designs for over 40 years. We proudly serve our clients & the community with eight offices throughout Pennsylvania. Our commitment to exceptional service and lifelong relationships results in improvements to our community and our natural surroundings—engineering solutions that are sustainable, cost-effective, and environmentally responsible.


Avatar for Mid-Atlantic Waterproofing of PA

Mid-Atlantic Waterproofing of PA

3.92(
40
)

Mid-Atlantic Waterproofing of PA

3.92(
40
)
Customers say: Super punctual
60 years of experience

Mid-Atlantic Waterproofing has licensed and bonded waterproofing contractors that are fast, efficient and committed to providing you with the best waterproofing services and products that are designed for your specific needs. We begin with a thorough FREE home evaluation that includes the outside of your home when other waterproofing companies only look at the inside. Each of our certified installers is required to undergo extensive training with the latest waterproofing systems and products. Our waterproofing contractors know Pennsylvania state codes and are familiar with the local weather patterns that can plague your home. We understand every aspect of waterproofing when many other waterproofing companies only use one product or system. We are also in the stands cheering on the Steelers and Pirates in Pittsburgh and the Eagles and Phillies in Philadelphia just like you. Mid-Atlantic Waterproofing knows there's more to Pennsylvania than the Liberty Bell, and there's more to waterproofing than patching a leak. Mid-Atlantic Waterproofing has dedicated more than 50 years to perfecting the craft of keeping basements dry. Experts on basement waterproofing and foundation Repair. 800 643 2852 for a free inspection and estimate.

"Job was done well, but now its leaking and the company is gone. So much for the Lifetime Warranty. July 20, 2020 -- Chapter 11 Voluntary Petition for a Non-Individual Small Business . Filed by Robert E Chernicoff of Cunningham and Chernicoff PC on behalf of Mid-Atlantic Systems of CPA, Inc.. (Chernicoff, Robert)"

jim g on August 2020

Mid-Atlantic Waterproofing has licensed and bonded waterproofing contractors that are fast, efficient and committed to providing you with the best waterproofing services and products that are designed for your specific needs. We begin with a thorough FREE home evaluation that includes the outside of your home when other waterproofing companies only look at the inside. Each of our certified installers is required to undergo extensive training with the latest waterproofing systems and products. Our waterproofing contractors know Pennsylvania state codes and are familiar with the local weather patterns that can plague your home. We understand every aspect of waterproofing when many other waterproofing companies only use one product or system. We are also in the stands cheering on the Steelers and Pirates in Pittsburgh and the Eagles and Phillies in Philadelphia just like you. Mid-Atlantic Waterproofing knows there's more to Pennsylvania than the Liberty Bell, and there's more to waterproofing than patching a leak. Mid-Atlantic Waterproofing has dedicated more than 50 years to perfecting the craft of keeping basements dry. Experts on basement waterproofing and foundation Repair. 800 643 2852 for a free inspection and estimate.

"Job was done well, but now its leaking and the company is gone. So much for the Lifetime Warranty. July 20, 2020 -- Chapter 11 Voluntary Petition for a Non-Individual Small Business . Filed by Robert E Chernicoff of Cunningham and Chernicoff PC on behalf of Mid-Atlantic Systems of CPA, Inc.. (Chernicoff, Robert)"

jim g on August 2020


"Very well. The inspector came as scheduled, performed a thorough inspection, and sent a detailed report. Quite satisfactory in all."

Paul S on February 2019

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"Very well. The inspector came as scheduled, performed a thorough inspection, and sent a detailed report. Quite satisfactory in all."

Paul S on February 2019


McCarthy Engineering Associates offers clients a knowledgeable and determined team, complemented by the highest level of service and the utmost attention to quality.


Richard Herschlag, P.E.

No reviews yet

Richard Herschlag, P.E.

No reviews yet
29 years of experience

We are a full-service group of professionals providing both engineering and contracting on an as-needed basis. Where we are unable to meet your needs or timeline, we will as always provide referrals to top professionals in your area.

We are a full-service group of professionals providing both engineering and contracting on an as-needed basis. Where we are unable to meet your needs or timeline, we will as always provide referrals to top professionals in your area.

Showing 1-10 of 17
Structural Engineering questions, answered by experts

First, most contractors will have a structural engineer create a report and plan for your project to ensure it’s safe to cut into the load-bearing wall. The contractor will then excavate around the wall, if necessary, measure the opening—allowing for additional space to fit and level the door, and then cut the doorway out. They will likely install a steel lintel as a header over the door for support. Once the doorway is cut out, they’ll demolish the concrete using sledge hammers and masonry chisels, clean up the surrounding concrete, and seal around the door with masonry mortar. 

In framing, studs are placed at 16-inch intervals to coincide with the typical spacing of wall materials such as drywall or plywood. This spacing is called "on-center" and is necessary for maintaining structural stability and efficient use of materials. The 16-inch spacing also helps to distribute the weight evenly across the building's structure. For those looking to cut material costs and improve energy efficiency, 24-inch stud spacing can be employed through a method called "advanced framing". This requires careful planning and adherence to local building codes to ensure structural integrity.

A 4-inch-thick concrete slab can support around 4,000 pounds per square foot if a contractor reinforces the slab with rebar, while that same slab without reinforcements will support closer to 1,000 pounds. For the purposes of a patio, 4 inches in thickness without reinforcement should suffice unless you’re installing heavy kitchen equipment or a hot tub on it. In those cases, reinforcing your slab and sticking with 4 inches of thickness should provide plenty of strength.

The 10 10 rule describes the formula most contractors use to determine how much to charge for a job. Allowing for 10% overhead above the total projected cost to do the work and 10% profit sets a contractor up for success, even if there are delays or other problems on the project. This formula isn’t a hard-and-fast rule, but it is a ballpark figure to begin with when estimating your expenses on a job.

Costs depend on material choices, labor, and the extent of structural modifications.

The Gilbert, PA homeowners’ guide to structural engineering services

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