
My last haircut happened on April 9, 2006, at 4:15 p.m., in my mother's kitchen.
I was seventeen, with an interview the next morning for an engineering scholarship. My mother said she would "just take a little off the ends." She used the kitchen scissors, the ones with the bottle opener in the handle. When she finished, one side of my head ended at my jaw and the other side ended at a question.
I got the scholarship anyway. The interviewer was a retired dam inspector who did not notice hair. But I learned something that day, and I learned it the way engineers learn most things, which is from a failure.
The system was unreliable. So I removed it from the loop.
That was twenty years ago. I am thirty-seven now.
My name is Dagny Gundersen, and I am a senior hydraulic engineer at the Garnet Falls Water Authority. I design pump stations, water mains and the occasional storage tank. I have not cut my hair since the kitchen.
Every January 1 at nine in the morning, I measure it with the same steel tape, from the crown of my head to the end. I enter the number in a spreadsheet called LONG_GAME. The spreadsheet has twenty-one rows, a trend line and a column labeled NOTES. Most of the notes say "nominal."
The last row says fifty-one inches.
People assume the hair is about vanity. It is mostly about logistics.
At fifty-one inches, hair stops being a hairstyle and becomes a system with operating procedures. I wear it in one braid, coiled at the back of my neck and pinned with four steel pins. I call the coil the anchorage. The pins are rated, by me, for a brisk walk and a mild sneeze.
Washing it takes forty minutes. Drying it takes three hours and forty minutes with a box fan. I once calculated that my hair costs the Water Authority's customers nothing, but costs me roughly 3,100 extra gallons a year. At our residential rate, that is fourteen dollars and eighty cents.
I am the only person on the payroll who knows her own hair's annual water bill. I am also the only one who wrote a safety memo about her own head.
The memo is real and two paragraphs long. It says that anything long, loose or swinging must be secured before anyone enters a room with rotating equipment. I wrote it for scarves, lanyards and Rocco Hargrove's tie.
But at every pump station I visit, I tuck the braid inside my safety vest before I go through the door. Rules should apply to the person who wrote them first.
My hard hat has a small notch filed into the back of the suspension. It took me two weekends and a set of jeweler's files. I consider it some of my best work.
The trouble started at the Monday staff meeting in the second week of October.
Our team is five people in Capital Projects, which is a fancy name for the second floor. We share one conference room, one whiteboard and one marker that works. The marker is blue. Nobody knows who keeps buying the dead ones.
Winifred Ingram ran the meeting, as she has run every meeting since 2004. Winifred is sixty-three and the Director of Engineering. She has a gray bob, reading glasses on her head and a second pair on her face. She opens every meeting the same way.
"Four hundred and twelve days," she said.
That is her retirement countdown. She announces it every Monday. Nobody has ever asked her to. Nobody would dare ask her to stop.
"Item one," Winifred said. "Pump Station 6."
The room sighed. Pump Station 6 sits on Ferry Road by the river. It was built in 1961 and has three pumps, two of which work. The third one works on days when it feels appreciated.
We have proposed replacing it every year since 2006. Every year, the county council looks at the cost. Every year, they defer it.
"The council has moved it to next fiscal year," Winifred said.
"Next fiscal year," said all four of us, at the same time, without enthusiasm. We have said it so often it has become a kind of hymn.
Osman Jaber raised one finger. Osman is forty-four, our GIS analyst, and the calmest man in the building. He answers almost every question with a map.
"Let me pull up the map," he said.
He pulled up the map. It showed Pump Station 6 as a small red dot, surrounded by eleven thousand homes in light blue. It was the same map he showed every year. It still made my stomach hurt every year.
"Noted," Winifred said, which is what she says when she has been beaten by a budget. "Item two. The Fall Giving Drive."
Every October, each team at the Water Authority picks a charity and raises money for it. There is a trophy. It is a brass faucet on a wooden base. Our team has never won it.
Our record was eight hundred and twelve dollars, from a chili cook-off in 2019. Osman's chili won. Osman's chili also closed the second-floor kitchen for a day.
"I want to propose Hairloom," said Lucia Ferrante.
Lucia is twenty-six and our junior engineer. She is brilliant, fast and narrates her own life in captions. She says them out loud, in a flat voice, like subtitles for a documentary only she is watching.
"Caption," she said. "Junior engineer makes her pitch."
Hairloom is a nonprofit across the river. They make free wigs for adults and children with medical hair loss. Lucia's roommate volunteers there on Saturdays.
Lucia showed us their website. It had a photograph of the founder, Ramona Hedlund, surrounded by wig stands and smiling like she had just been told good news.
"Respectfully," said Rocco Hargrove, "we have a natural advantage here."
Rocco is fifty-two and our senior project engineer. He says "respectfully" before everything, including things that are not respectful. He shaves his head every morning in four minutes flat and considers this the single best decision of his adult life.
He looked at me. Everybody looked at me.
"No," I said.
"I didn't say anything."
"You said it with your eyebrows."
"Respectfully," Rocco said, "you are carrying about three wigs on your back right now. I'm only pointing out the inventory."
Here is where I made my mistake. It was not an emotional mistake. It was a mathematical one. Those are the worst kind, because you are so proud of them on the way in.
"Fine," I said. "If this team raises twenty-five thousand dollars for Hairloom, I will cut my hair and donate it."
There was a silence. Then Lucia did quick arithmetic on her fingers.
"That's thirty times our record," she said.
"Thirty point eight," I said. "I applied a factor of safety."
In bridge design, a factor of safety of two is generous. I had chosen thirty. I felt very, very safe.
Rocco leaned back in his chair. "And if we hit fifty," he said, "I'll grow mine."
Everybody laughed, including Rocco. He has not seen his own hair since 1998. Nobody wrote that part down except Winifred. Winifred writes everything down.
"Noted," she said.
That would have been the end of it. But Rocco asked one more question.
"How heavy is it, anyway?"
I should have shrugged. Instead, I stood up and took the blue marker. I cannot help it. Somebody asks me for a load, and I give them the load.
I drew a rough cylinder on the whiteboard. Dry, I explained, the braid weighs about 380 grams.
Wet, it holds roughly half a liter of water and weighs nearly a kilogram. I explained the drying curve, and the box fan, and the fourteen dollars and eighty cents. I explained the anchorage and its four pins, and the notch in my hard hat, and the safety memo.
I talked for about two minutes. I used the phrase "distributed load" twice. I drew an arrow.
When I finished, I noticed Lucia holding up her phone.
"Caption," she said. "Senior engineer delivers load calculations for her own head."
"Were you filming that?"
"Can I post it for Hairloom? It's the best pitch we have." She turned the phone around so I could watch it. "You can say no."
I watched myself. I looked serious, precise and slightly too pleased about the arrow. I did not look like someone who was about to be famous. I looked like someone explaining a culvert.
"For Hairloom," I said. "Fine."
She posted it at 4:52 p.m. with a link to our team's donation page. The caption read: my senior engineer explaining the structural load of her 20-year hair before betting it for charity.
By the time I got home, it had three hundred views. I measured the drying time on my box fan out of habit, ate dinner and went to bed at ten.
At 6:03 the next morning my phone rang. It was Lucia. Lucia does not call people. She thinks phone calls are a form of trespassing.
"Don't look at the donation page," she said.
So, naturally, I looked at the donation page.
It said $31,406.
Up next: Factor of Safety
Continue to Part 2 →